December 26th in stamps Babbage, Mao Zedong, radium, Curse of the Bambino, Thanksgiving Day, Truman

Here are some events that happened on December 26th. It could be an event or a person that died or was born on that day

1791 Born: Charles Babbage, English mathematician and engineer, invented the Difference engine (d. 1871)

Charles Babbage (26 December 1791 – 18 October 1871) was an English polymath. A mathematician, philosopher, inventor and mechanical engineer, Babbage originated the concept of a digital programmable computer.

Considered by some to be "father of the computer", Babbage is credited with inventing the first mechanical computer that eventually led to more complex electronic designs, though all the essential ideas of modern computers are to be found in Babbage's Analytical Engine. His varied work in other fields has led him to be described as "pre-eminent" among the many polymaths of his century.

Parts of Babbage's incomplete mechanisms are on display in the Science Museum in London. In 1991, a functioning difference engine was constructed from Babbage's original plans. Built to tolerances achievable in the 19th century, the success of the finished engine indicated that Babbage's machine would have worked.

Stamps from Great Britain commemorating Babbage

1893 Born: Mao Zedong, Chinese politician, Chairman of the Communist Party of China (d. 1976)

Mao Zedong (December 26, 1893 – September 9, 1976), also known as Chairman Mao, was a Chinese communist revolutionary who became the founding father of the People's Republic of China (PRC), which he ruled as the Chairman of the Communist Party of China from its establishment in 1949 until his death in 1976. Ideologically a Marxist–Leninist, his theories, military strategies, and political policies are collectively known as Maoism.


A controversial figure, Mao is regarded as one of the most important and influential individuals in modern world history. He is also known as a political intellect, theorist, military strategist, poet, and visionary. Supporters credit him with driving imperialism out of China, modernizing the nation and building it into a world power, promoting the status of women, improving education and health care, as well as increasing life expectancy as China's population grew from around 550 million to over 900 million under his leadership. Conversely, his regime has been called autocratic and totalitarian, and condemned for bringing about mass repression and destroying religious and cultural artifacts and sites. It was additionally responsible for vast numbers of deaths with estimates ranging from 30 to 70 million victims through starvation, prison labor and mass executions

1898 – Marie and Pierre Curie announce the isolation of radium.

Pierre Curie (15 May 1859 – 19 April 1906) was a French physicist, a pioneer in crystallography, magnetism, piezoelectricity, and radioactivity. In 1903, he received the Nobel Prize in Physics with his wife, Marie Skłodowska-Curie, and Henri Becquerel, "in recognition of the extraordinary services they have rendered by their joint researches on the radiation phenomena discovered by Professor Henri Becquerel".

French stamp depicting Pierre and Marie Curie

Bulgarian stamp depicting Pierre Curie

Marie Skłodowska Curie(born Maria Salomea Skłodowska; 7 November 1867 – 4 July 1934) was a Polish and naturalized-French physicist and chemist who conducted pioneering research on radioactivity. She was the first woman to win a Nobel Prize, is the only woman to win the Nobel prize twice, and is the only person to win the Nobel Prize in two different scientific fields. She was part of the Curie family legacy of five Nobel Prizes. She was also the first woman to become a professor at the University of Paris, and in 1995 became the first woman to be entombed on her own merits in the Panthéon in Paris.

She was born in Warsaw, in what was then the Kingdom of Poland, part of the Russian Empire. She studied at Warsaw's clandestine Flying University and began her practical scientific training in Warsaw. In 1891, aged 24, she followed her older sister Bronisława to study in Paris, where she earned her higher degrees and conducted her subsequent scientific work. She shared the 1903 Nobel Prize in Physics with her husband Pierre Curie and physicist Henri Becquerel. She won the 1911 Nobel Prize in Chemistry.

Her achievements included the development of the theory of radioactivity (a term she coined), techniques for isolating radioactive isotopes, and the discovery of two elements, polonium and radium. Under her direction, the world's first studies were conducted into the treatment of neoplasms using radioactive isotopes. She founded the Curie Institutes in Paris and in Warsaw, which remain major centres of medical research today. During World War I she developed mobile radiography units to provide X-ray services to field hospitals.

While a French citizen, Marie Skłodowska Curie, who used both surnames, never lost her sense of Polish identity. She taught her daughters the Polish language and took them on visits to Poland. She named the first chemical element she discovered polonium, after her native country.

Marie Curie died in 1934, aged 66, at a sanatorium in Sancellemoz (Haute-Savoie), France, of aplastic anemia from exposure to radiation in the course of her scientific research and in the course of her radiological work at field hospitals during World War I

Stamps from Monaco, France and Poland depicting Marie Curie

1919 – Babe Ruth of the Boston Red Sox is sold to the New York Yankees by owner Harry Frazee, allegedly establishing the Curse of the Bambino superstition.

George Herman "Babe" Ruth Jr. (February 6, 1895 – August 16, 1948) was an American professional baseball player whose career in Major League Baseball (MLB) spanned 22 seasons, from 1914 through 1935. Nicknamed "The Bambino" and "The Sultan of Swat", he began his MLB career as a star left-handed pitcher for the Boston Red Sox, but achieved his greatest fame as a slugging outfielder for the New York Yankees. Ruth established many MLB batting (and some pitching) records, including career home runs (714), runs batted in (RBIs) (2,213), bases on balls (2,062), slugging percentage (.690), and on-base plus slugging (OPS) (1.164); the last two still stand as of 2019. Ruth is regarded as one of the greatest sports heroes in American culture and is considered by many to be the greatest baseball player of all time. In 1936, Ruth was elected into the Baseball Hall of Fame as one of its "first five" inaugural members.

At age seven, Ruth was sent to St. Mary's Industrial School for Boys, a reformatory where he was mentored by Brother Matthias Boutlier of the Xaverian Brothers, the school's disciplinarian and a capable baseball player. In 1914, Ruth was signed to play minor-league baseball for the Baltimore Orioles but was soon sold to the Red Sox. By 1916, he had built a reputation as an outstanding pitcher who sometimes hit long home runs, a feat unusual for any player in the pre-1920 dead-ball era. Although Ruth twice won 23 games in a season as a pitcher and was a member of three World Series championship teams with the Red Sox, he wanted to play every day and was allowed to convert to an outfielder. With regular playing time, he broke the MLB single-season home run record in 1919.

After that season, Red Sox owner Harry Frazee sold Ruth to the Yankees amid controversy. The trade fueled Boston's subsequent 86-year championship drought and popularized the "Curse of the Bambino" superstition. In his 15 years with the Yankees, Ruth helped the team win seven American League (AL) pennants and four World Series championships. His big swing led to escalating home run totals that not only drew fans to the ballpark and boosted the sport's popularity but also helped usher in baseball's live-ball era, which evolved from a low-scoring game of strategy to a sport where the home run was a major factor. As part of the Yankees' vaunted "Murderers' Row" lineup of 1927, Ruth hit 60 home runs, which extended his MLB single-season record by a single home run. Ruth's last season with the Yankees was 1934; he retired from the game the following year, after a short stint with the Boston Braves. During his career, Ruth led the AL in home runs during a season 12 times.

During Ruth's career, he was the target of intense press and public attention for his baseball exploits and off-field penchants for drinking and womanizing. After his retirement as a player, he was denied the opportunity to manage a major league club, most likely due to poor behavior during parts of his playing career. In his final years, Ruth made many public appearances, especially in support of American efforts in World War II. In 1946, he became ill with nasopharyngeal cancer and died from the disease two years later. Ruth remains a part of American culture, and in 2018 President Donald Trump posthumously awarded him the Presidential Medal of Freedom.

1941 – U.S. President Franklin D. Roosevelt signs a bill establishing the fourth Thursday in November as Thanksgiving Day in the United States.

Thanksgiving is a federal holiday in the United States, celebrated on the fourth Thursday of November. It is sometimes called American Thanksgiving (outside the United States) to distinguish it from the Canadian holiday of the same name. It originated as a harvest festival, and to this day the centerpiece of Thanksgiving celebrations remains Thanksgiving dinner. The dinner traditionally consists of foods and dishes indigenous to the Americas, namely turkey, potatoes (usually mashed), stuffing, squash, corn (maize), green beans, cranberries (typically in sauce form), and pumpkin pie. Thanksgiving is regarded as being the beginning of the fall–winter holiday season, along with Christmas and the New Year, in American culture.

The event that Americans commonly call the "First Thanksgiving" was celebrated by the Pilgrims after their first harvest in the New World in October 1621. This feast lasted three days, and—as recounted by attendee Edward Winslow—was attended by 90 Native Americans and 53 Pilgrims. The New England colonists were accustomed to regularly celebrating "thanksgivings," days of prayer thanking God for blessings such as military victory or the end of a drought. Thanksgiving has been celebrated nationally on and off since 1789, with a proclamation by President George Washington after a request by Congress. President Thomas Jefferson chose not to observe the holiday, and its celebration was intermittent until President Abraham Lincoln, in 1863, proclaimed a national day of "Thanksgiving and Praise to our beneficent Father who dwelleth in the Heavens", to be celebrated on the last Thursday in November. On June 28, 1870, President Ulysses S. Grant signed into law the Holidays Act that made Thanksgiving a yearly appointed federal holiday in Washington D.C. On January 6, 1885, an act by Congress made Thanksgiving, and other federal holidays, a paid holiday for all federal workers throughout the United States. Under President Franklin D. Roosevelt, the date was changed between 1939 and 1941 amid significant controversy. From 1942 onwards, Thanksgiving, by an act of Congress, signed into law by FDR, received a permanent observation date, the fourth Thursday in November, no longer at the discretion of the President.

US Stamps  depicting Macy's Thanksgiving Day New York City Parade 

1972 Died: Harry S. Truman, American colonel and politician, 33rd President of the United States (b. 1884)

Harry S. Truman (May 8, 1884 – December 26, 1972) was the 33rd president of the United States from 1945 to 1953, succeeding upon the death of Franklin D. Roosevelt after serving as vice president. He implemented the Marshall Plan to rebuild the economy of Western Europe, and established the Truman Doctrine and NATO.

Truman grew up in Independence, Missouri, and during World War I was sent to France as a captain in the Field Artillery. Returning home, he opened a haberdashery in Kansas City, Missouri and was later elected as a Jackson County official in 1922. Truman was elected to the United States Senate from Missouri in 1934 and gained national prominence as chairman of the Truman Committee aimed at reducing waste and inefficiency in wartime contracts. Soon after succeeding to the presidency he authorized the first and only use of nuclear weapons in war. Truman's administration engaged in an internationalist foreign policy and renounced isolationism. He rallied his New Deal coalition during the 1948 presidential election and won a surprise victory that secured his own presidential term.

Truman oversaw the Berlin Airlift of 1948. When North Korea invaded South Korea in 1950, he gained United Nations approval to intervene in what became known as the Korean War. On domestic issues, bills endorsed by Truman faced opposition from a conservative Congress, but his administration successfully guided the U.S. economy through the post-war economic challenges. In 1948 he submitted the first comprehensive civil rights legislation and issued Executive Orders to start racial integration in the military and federal agencies.

Corruption in the Truman administration became a central campaign issue in the 1952 presidential election. After Republican Dwight D. Eisenhower's electoral victory against Democrat Adlai Stevenson II, Truman went into a financially-difficult retirement, marked by the founding of his presidential library and the publication of his memoirs. When he left office, Truman's presidency was criticized, but scholars rehabilitated his image in the 1960s and he is highly ranked by scholars.

US stamps depicting Truman

April 5th in stamps Chiang Kai-shek, Roggeveen, Johann Bernhard Fischer von Erlach, Louis Spohr

Here are some events that happened on April 5th. It could be an event or a person that died or was born on that day

1722 – The Dutch explorer Jacob Roggeveen discovers Easter Island.

Jacob Roggeveen (1 February 1659 – 31 January 1729) was a Dutch explorer who was sent to find Terra Australis, but instead came across Easter Island (called so because he landed there on Easter Sunday). Jacob Roggeveen also encountered Bora Bora and Maupiti of the Society Islands and Samoa. He planned the expedition along with his brother Jan Roggeveen, who stayed in the Netherlands.


Stamps issued to commemorate the 250th anniversary of the discovery of Samoa

1723 Died: Johann Bernhard Fischer von Erlach, Austrian architect, sculptor and historian (b. 1656)

Johann Bernhard Fischer von Erlach (20 July 1656 – 5 April 1723) was an Austrian architect, sculptor, and architectural historian whose Baroque architecture profoundly influenced and shaped the tastes of the Habsburg Empire. His influential book A Plan of Civil and Historical Architecture (1721) was one of the first and most popular comparative studies of world architecture. His major works include Schönbrunn Palace, Karlskirche, and the Austrian National Library in Vienna, and Schloss Klessheim, Holy Trinity Church, and the Kollegienkirche in Salzburg.

Austrian stamp depicting Johann Bernhard Fischer von Erlach

1784 Born: Louis Spohr, German violinist and composer (d. 1859 )

Louis Spohr (5 April 1784 – 22 October 1859), baptized Ludewig Spohr, later often in the modern German form of the name Ludwig, was a German composer, violinist and conductor. Highly regarded during his lifetime, Spohr composed ten symphonies, ten operas, eighteen violin concerti, four clarinet concerti, four oratorios, and various works for small ensemble, chamber music, and art songs. Spohr invented the violin chinrest and the orchestral rehearsal mark. His output occupies a pivotal position between Classicism and Romanticism, but fell into obscurity following his death, when his music was rarely heard. The late 20th century saw a revival of interest in his oeuvre, especially in Europe.

Though obscure today, Spohr's operas Faust (1816), Zemire und Azor (1819) and Jessonda (1823) remained in the popular repertoire through the 19th century and well into the 20th, when Jessonda was banned by the Nazis because it depicted a European hero in love with an Indian princess. Spohr also wrote 105 songs and duets, many of them collected as Deutsche Lieder (German Songs), as well as a mass and other choral works. Most of his operas were little known outside of Germany, but his oratorios, particularly Die letzten Dinge (1825–1826) were greatly admired during the 19th century in England and America. This oratorio was translated by Edward Taylor (1784–1863) and performed as The Last Judgment in 1830 for the first time. During the Victorian era Gilbert and Sullivan mentioned him in act 2 of The Mikado in a song by the title character.

Spohr, with his eighteen violin concertos, won a conspicuous place in the musical literature of the nineteenth century. He endeavored (without any good result) to make the concerto a substantial and superior composition free from the artificial bravura of the time. He achieved a new romantic mode of expression. The weaker sides of Spohr’s violin compositions are observed in his somewhat monotonous rhythmic structures; in his rejection of certain piquant bowing styles, and artificial harmonics; and in the deficiency of contrapuntal textures.

Spohr was a noted violinist, and invented the violin chinrest, about 1820. He was also a significant conductor, being one of the first to use a baton and also inventing rehearsal letters, which are placed periodically throughout a piece of sheet music so that a conductor may save time by asking the orchestra or singers to start playing "from letter C", for example.

In addition to musical works, Spohr is remembered particularly for his Violinschule (The Violin School), a treatise on violin playing which codified many of the latest advances in violin technique, such as the use of spiccato. It became a standard work of instruction. In addition, he wrote an entertaining and informative autobiography, published posthumously in 1860. A museum is devoted to his memory in Kassel.

German stamp depicting Louis Spohr

1975 Died: Chiang Kai-shek, Chinese general and politician, 1st President of the Republic of China (b. 1887)

Chiang Kai-shek (31 October 1887 – 5 April 1975), also known as Chiang Chung-cheng and romanized via Mandarin as Chiang Chieh-shih and Jiang Jieshi, was a Chinese nationalist politician, revolutionary and military leader who served as the leader of the Republic of China between 1928 and 1975, first in mainland China until 1949 and then in Taiwan until his death.

Born in Chekiang (Zhejiang) Province, Chiang was a member of the Kuomintang and a lieutenant of Sun Yat-sen in the revolution to overthrow the Beiyang government and reunify China. With Soviet and communist (CPC) help, Chiang organized the military for Sun's Canton Nationalist Government and headed the Whampoa Military Academy. Commander in chief of the National Revolutionary Army (from which he came to be known as Generalissimo), he led the Northern Expedition from 1926 to 1928, before defeating a coalition of warlords and nominally reunifying China under a new Nationalist government. Midway through the campaign, the KMT–CPC alliance broke down and Chiang purged the communists inside the party, triggering a civil war with the CCP, which he eventually lost in 1949.

As leader of the Republic of China in the Nanjing decade, Chiang sought to strike a difficult balance between the modernizing China while also devoting resources to defending the nation against the impending Japanese threat. Trying to avoid a war with Japan while hostilities with CCP continued, he was kidnapped in the Xi'an Incident and obliged to form an Anti-Japanese United Front with the CCP. Following the Marco Polo Bridge Incident in 1937, he mobilized China for the Second Sino-Japanese War. For eight years he led the war of resistance against a vastly superior enemy, mostly from the wartime capital Chongqing. As the leader of a major Allied power, Chiang met with British Prime Minister Winston Churchill and U.S. President Franklin D. Roosevelt in the Cairo Conference to discuss terms for Japanese surrender. No sooner had the Second World War ended than the Civil War with the communists, by then led by Mao Zedong, resumed. Chiang's nationalists were mostly defeated in a few decisive battles in 1948.

In 1949 Chiang's government and army retreated to Taiwan, where Chiang imposed martial law and persecuted critics during the White Terror. Presiding over a period of social reforms and economic prosperity, Chiang won five elections to six-year terms as President of the Republic of China and was Director-General of the Kuomintang until his death in 1975, three years into his fifth term as President and just one year before Mao's death.

One of the longest-serving non-royal heads of state in the 20th century, Chiang was the longest-serving non-royal ruler of China having held the post for 46 years. Like Mao, he is regarded as a controversial figure. Supporters credit him with playing a major part in unifying the nation and leading the Chinese resistance against Japan, as well as with countering Soviet-communist encroachment. Detractors and critics denounce him as a dictator at the front of an authoritarian regime who suppressed opponents.

Stamps depicting Chiang Kai-shek

April 3rd in stamps Gottlieb Daimler patent, Joseph Stalin, Franz Berwald, James Clark Ross

Here are some events that happened on April 3rd. It could be an event or a person that died or was born on that day


1862 Died:  James Clark Ross, English captain and explorer (b. 1800)

Sir James Clark Ross (15 April 1800 – 3 April 1862) was a British Royal Navy officer and polar explorer known for his explorations of the Arctic, participating in two expeditions led by his uncle Sir John Ross, and four led by Sir William Parry, and, in particular, for his own Antarctic expedition from 1839 to 1843.

Ross was born in London, the nephew of Sir John Ross, under whom he entered the Royal Navy in 1812, accompanying him on Sir John's first Arctic voyage in search of a Northwest Passage in 1818. Between 1819 and 1827, Ross took part in four Arctic expeditions under Sir William Parry, and in 1829 to 1833, again served under his uncle on Sir John's second Arctic voyage. It was during this trip that a small party led by James Ross (including Thomas Abernethy) located the position of the North Magnetic Pole on 1 June 1831, on the Boothia Peninsula in the far north of Canada. It was on this trip, too, that Ross charted the Beaufort Islands, later renamed Clarence Islands by his uncle.

Stamps from Great Britain and French Southern & Antarctic Territories depicting James Clark Ross

1868 Died: Franz Berwald, Swedish composer and surgeon (b. 1796)

Franz Adolf Berwald (23 July 1796 – 3 April 1868) was a Swedish Romantic composer. He made his living as an orthopedist and later as the manager of a saw mill and glass factory, and became more appreciated as a composer after his death than he had been in his lifetime.

One of his few operas to be staged in his lifetime, Estrella de Soria, was heartily applauded at its premiere at the Royal Theater in April 1862, and was given four more performances in the same month. Following this success, he wrote Drottningen av Golconda (The Queen of Golconda), which would have been premiered in 1864, but was not, due to a change of directors at the Royal Opera.

In 1866, Berwald received the Swedish Order of the Polar Star, in recognition of his musical achievements. The following year, the Board of the Royal Musical Academy appointed Berwald professor of musical composition at the Stockholm Conservatory, only to have the Conservatory Board reverse the decision a few days later, and appoint another. The royal family stepped in, and Berwald got the post. At around that time he was also given many important commissions, but he did not live to fulfill them all.

Berwald died in Stockholm in 1868 of pneumonia and was interred there in the Norra begravningsplatsen (Northern Cemetery). The second movement of the Symphony No. 1 was played at his funeral.

Swedish stamps commemorating Franz Berwald

1885 – Gottlieb Daimler is granted a German patent for his engine design.

Gottlieb Wilhelm Daimler (17 March 1834 – 6 March 1900) was an engineer, industrial designer and industrialist born in Schorndorf (Kingdom of Württemberg, a federal state of the German Confederation), in what is now Germany. He was a pioneer of internal-combustion engines and automobile development. He invented the high-speed liquid petroleum-fuelled engine.

Daimler and his lifelong business partner Wilhelm Maybach were two inventors whose goal was to create small, high-speed engines to be mounted in any kind of locomotion device. In 1883 they designed a horizontal cylinder layout compressed charge liquid petroleum engine that fulfilled Daimler's desire for a high speed engine which could be throttled, making it useful in transportation applications. This engine was called Daimler's Dream.

In 1885 they designed a vertical cylinder version of this engine which they subsequently fitted to a two-wheeler, the first internal combustion motorcycle which was named the Petroleum Reitwagen (Riding Car) and, in the next year, to a coach, and a boat. Daimler called this engine the grandfather clock engine (Standuhr) because of its resemblance to a large pendulum clock.

In 1890, they converted their partnership into a stock company Daimler Motoren Gesellschaft (DMG, in English—Daimler Motors Corporation). They sold their first automobile in 1892. Daimler fell ill and took a break from the business. Upon his return he experienced difficulty with the other stockholders that led to his resignation in 1893. This was reversed in 1894. Maybach resigned at the same time, and also returned. In 1900 Daimler died and Wilhelm Maybach quit DMG in 1907.

German and Hungarian stamps depicting Gottlieb Daimler or his cars

1922 – Joseph Stalin becomes the first General Secretary of the Communist Party of the Soviet Union.

Joseph Vissarionovich Stalin (18 December 1878 – 5 March 1953) was a Georgian revolutionary and Soviet politician who led the Soviet Union from the mid–1920s until 1953 as the general secretary of the Communist Party of the Soviet Union (1922–1952) and premier of the Soviet Union (1941–1953). Despite initially governing the Soviet Union as part of a collective leadership, he eventually consolidated power to become the country's de facto dictator by the 1930s. A communist ideologically committed to the Leninist interpretation of Marxism, Stalin formalised these ideas as Marxism–Leninism, while his own policies are known as Stalinism.

Born to a poor family in Gori in the Russian Empire (now Georgia), Stalin joined the Marxist Russian Social Democratic Labour Party as a youth. He edited the party's newspaper, Pravda, and raised funds for Vladimir Lenin's Bolshevik faction via robberies, kidnappings, and protection rackets. Repeatedly arrested, he underwent several internal exiles. After the Bolsheviks seized power during the 1917 October Revolution and created a one-party state under Lenin's newly renamed Communist Party, Stalin joined its governing Politburo. Serving in the Russian Civil War before overseeing the Soviet Union's establishment in 1922, Stalin assumed leadership over the country following Lenin's 1924 death. Under Stalin, "Socialism in One Country" became a central tenet of the party's dogma. Through the Five-Year Plans, the country underwent agricultural collectivisation and rapid industrialisation, creating a centralised command economy. This led to significant disruptions in food production that contributed to the famine of 1932–33. To eradicate accused "enemies of the working class", Stalin instituted the "Great Purge", in which over a million were imprisoned and at least 700,000 executed between 1934 and 1939. By 1937, he had complete personal control over the party and state.

Stalin's government promoted Marxism–Leninism abroad through the Communist International and supported European anti-fascist movements during the 1930s, particularly in the Spanish Civil War. In 1939, it signed a non-aggression pact with Nazi Germany, resulting in the Soviet invasion of Poland. Germany ended the pact by invading the Soviet Union in 1941. Despite initial setbacks, the Soviet Red Army repelled the German incursion and captured Berlin in 1945, ending World War II in Europe. The Soviets annexed the Baltic states and helped establish Soviet-aligned governments throughout Central and Eastern Europe, China, and North Korea. The Soviet Union and the United States emerged from the war as global superpowers. Tensions arose between the Soviet-backed Eastern Bloc and U.S.-backed Western Bloc which became known as the Cold War. Stalin led his country through the post-war reconstruction, during which it developed a nuclear weapon in 1949. In these years, the country experienced another major famine and an anti-semitic campaign peaking in the doctors' plot. After Stalin's death in 1953 he was eventually succeeded by Nikita Khrushchev, who denounced his predecessor and initiated the de-Stalinisation of Soviet society.

Widely considered one of the 20th century's most significant figures, Stalin was the subject of a pervasive personality cult within the international Marxist–Leninist movement which revered him as a champion of the working class and socialism. Since the dissolution of the Soviet Union in 1991, Stalin has retained popularity in Russia and Georgia as a victorious wartime leader who established the Soviet Union as a major world power. Conversely, his totalitarian government has been widely condemned for overseeing mass repressions, ethnic cleansing, deportations, hundreds of thousands of executions, and famines which killed millions.

Stamps from Russia and China depicting Stalin

December 18th in stamps Stradivari, Franz Ferdinand, Stalin, Brandt, Mohorovicic

Here are some events that happened on December 18th. It could be an event or a person that died or was born on that day

1737 Died: Antonio Stradivari, Italian instrument maker (b. 1644)

Antonio Stradivari (1644 – 18 December 1737) was an Italian luthier and a crafter of string instruments such as violins, cellos, guitars, violas, and harps. The Latinized form of his surname, Stradivarius, as well as the colloquial Strad are terms often used to refer to his instruments. It is estimated that Stradivari produced 1,116 instruments, 960 of which were violins. Around 650 instruments survived, including 450 to 512 violins.

 Stamps from Italy and San Marino depicting Antonio Stradivari

1863 Born: Archduke Franz Ferdinand of Austria (d. 1914)

Archduke Franz Ferdinand Carl Ludwig Joseph Maria of Austria (18 December 1863 – 28 June 1914) was the heir presumptive to the throne of Austria-Hungary. His assassination in Sarajevo precipitated Austria-Hungary's declaration of war against Serbia, which in turn triggered a series of events that eventually led to Austria-Hungary's allies and Serbia's declaring war on each other, starting World War I.

Bosnian stamps issued in 1917 depicting Franz Ferdinand

1878 Born: Joseph Stalin, Georgian-Russian marshal and politician, 4th Premier of the Soviet Union (d. 1953)

Joseph Vissarionovich Stalin (18 December 1878 – 5 March 1953) was a Georgian revolutionary and Soviet politician who led the Soviet Union from the mid–1920s until 1953 as the general secretary of the Communist Party of the Soviet Union (1922–1952) and premier of the Soviet Union (1941–1953). Despite initially governing the Soviet Union as part of a collective leadership, he eventually consolidated power to become the country's de facto dictator by the 1930s. A communist ideologically committed to the Leninist interpretation of Marxism, Stalin formalised these ideas as Marxism–Leninism, while his own policies are known as Stalinism.

Born to a poor family in Gori in the Russian Empire (now Georgia), Stalin joined the Marxist Russian Social Democratic Labour Party as a youth. He edited the party's newspaper, Pravda, and raised funds for Vladimir Lenin's Bolshevik faction via robberies, kidnappings, and protection rackets. Repeatedly arrested, he underwent several internal exiles. After the Bolsheviks seized power during the 1917 October Revolution and created a one-party state under Lenin's newly renamed Communist Party, Stalin joined its governing Politburo. Serving in the Russian Civil War before overseeing the Soviet Union's establishment in 1922, Stalin assumed leadership over the country following Lenin's 1924 death. Under Stalin, "Socialism in One Country" became a central tenet of the party's dogma. Through the Five-Year Plans, the country underwent agricultural collectivisation and rapid industrialisation, creating a centralised command economy. This led to significant disruptions in food production that contributed to the famine of 1932–33. To eradicate accused "enemies of the working class", Stalin instituted the "Great Purge", in which over a million were imprisoned and at least 700,000 executed between 1934 and 1939. By 1937, he had complete personal control over the party and state.

Stalin's government promoted Marxism–Leninism abroad through the Communist International and supported European anti-fascist movements during the 1930s, particularly in the Spanish Civil War. In 1939, it signed a non-aggression pact with Nazi Germany, resulting in the Soviet invasion of Poland. Germany ended the pact by invading the Soviet Union in 1941. Despite initial setbacks, the Soviet Red Army repelled the German incursion and captured Berlin in 1945, ending World War II in Europe. The Soviets annexed the Baltic states and helped establish Soviet-aligned governments throughout Central and Eastern Europe, China, and North Korea. The Soviet Union and the United States emerged from the war as global superpowers. Tensions arose between the Soviet-backed Eastern Bloc and U.S.-backed Western Bloc which became known as the Cold War. Stalin led his country through the post-war reconstruction, during which it developed a nuclear weapon in 1949. In these years, the country experienced another major famine and an anti-semitic campaign peaking in the doctors' plot. After Stalin's death in 1953 he was eventually succeeded by Nikita Khrushchev, who denounced his predecessor and initiated the de-Stalinisation of Soviet society.

Widely considered one of the 20th century's most significant figures, Stalin was the subject of a pervasive personality cult within the international Marxist–Leninist movement which revered him as a champion of the working class and socialism. Since the dissolution of the Soviet Union in 1991, Stalin has retained popularity in Russia and Georgia as a victorious wartime leader who established the Soviet Union as a major world power. Conversely, his totalitarian government has been widely condemned for overseeing mass repressions, ethnic cleansing, deportations, hundreds of thousands of executions, and famines which killed millions.

Stamps from Russia and China depicting Stalin

1913 Born: Willy Brandt, German politician, 4th Chancellor of Germany, Nobel Prize laureate (d. 1992)

Willy Brandt (18 December 1913 – 8 October 1992) was a German statesman who was leader of the Social Democratic Party of Germany (SPD) from 1964 to 1987 and served as Chancellor of the Federal Republic of Germany (West Germany) from 1969 to 1974. He was awarded the Nobel Peace Prize in 1971 for his efforts to strengthen cooperation in western Europe through the EEC and to achieve reconciliation between West Germany and the countries of Eastern Europe. He was the first Social Democrat chancellor since 1930.

Fleeing to Norway and then Sweden during the Nazi regime and working as a left-wing journalist, he took the name Willy Brandt as a pseudonym to avoid detection by Nazi agents, and then formally adopted the name in 1948. Brandt was originally considered one of the leaders of the right wing of the SPD, and earned initial fame as Governing Mayor of West Berlin. He served as Foreign Minister and as Vice Chancellor in Kurt Georg Kiesinger's cabinet, and became chancellor in 1969. As chancellor, he maintained West Germany's close alignment with the United States and focused on strengthening European integration in western Europe, while launching the new policy of Ostpolitik aimed at improving relations with Eastern Europe. Brandt was controversial on both the right wing, for his Ostpolitik, and on the left wing, for his support of American policies, including the Vietnam War, and right-wing authoritarian regimes. The Brandt Report became a recognised measure for describing the general North-South divide in world economics and politics between an affluent North and a poor South. Brandt was also known for his fierce anti-communist policies at the domestic level, culminating in the Radikalenerlass (Anti-Radical Decree) in 1972.

Brandt resigned as chancellor in 1974, after Günter Guillaume, one of his closest aides, was exposed as an agent of the Stasi, the East German secret service.

German stamps depicting Willy Brandt

1936 Died: Andrija Mohorovičić, Croatian meteorologist and seismologist (b. 1857)

Andrija Mohorovičić (23 January 1857 – 18 December 1936) was a Croatian meteorologist and seismologist. He is best known for the eponymous Mohorovičić discontinuity and is considered as one of the founders of modern seismology.

On 8 October 1909 there was an earthquake with its epicentre in the Pokuplje region, 39 km southeast of Zagreb. A number of seismographs had been installed beforehand and these provided invaluable data, upon which he made new discoveries. He concluded that when seismic waves strike the boundary between different types of material, they are reflected and refracted, just as light is when striking a prism, and that when earthquakes occur, two waves—longitudinal and transverse—propagate through the soil with different velocities. By analyzing data from more observation posts, Mohorovičić concluded that the Earth has several layers above a core. He was the first to establish, based on the evidence from seismic waves, the discontinuity that separates the Earth's crust from its mantle. This is now called the Mohorovičić discontinuity or (because of the complexity of that name) Moho. According to Mohorovičić, a layered structure would explain the observation of depths where seismic waves change speed and the difference in chemical composition between rocks from the crust and those from the mantle. From the data, he estimated the thickness of the upper layer (crust) to be 54 km. We know today that the crust is 5–9 km below the ocean floor and 25–60 km below the continents, which are carried on tectonic plates. Subsequent study of the Earth's interior confirmed the existence of the discontinuity under all continents and oceans.

Mohorovičić assumed that the velocity of seismic waves increases with the depth. The function he proposed to calculate the velocity of seismic waves is called the Mohorovičić law. He developed a method for determining earthquake epicenters and constructed curves giving the travel times of seismic waves over distances of up to 10,000 miles from the source. He also proposed the construction of a new type of seismograph for recording the ground horizontal movement, but due to lack of funds the project was never realized.

As early as 1909 Mohorovičić started giving lectures that both architects and building contractors should follow, ahead of his time setting some of the basic principles of earthquake-resistant design. Mohorovičić's theories were visionary and were only truly understood many years later from detailed observations of the effects of earthquakes on buildings, deep focus earthquakes, locating earthquake epicenters, Earth models, seismographs, harnessing the energy of the wind, hail defence and other related elements of the geological body of knowledge known as geoscience.

Yugoslavian stamp depicting Mohorovičić