October 31st in stamps Martin Luther posts his 95 Theses, Nevada statehood, Luís I of Portugal, Johannes Vermeer, Houdini, Adolf von Baeyer

Here are some events that happened on October 31st. It could be an event or a person that died or was born on that day

1517 – Protestant Reformation: Martin Luther posts his 95 Theses on the door of the Castle Church in Wittenberg.

Martin Luther (10 November 1483 – 18 February 1546) was a German professor of theology, composer, priest, monk, and a seminal figure in the Protestant Reformation.

Luther was ordained to the priesthood in 1507. He came to reject several teachings and practices of the Roman Catholic Church; in particular, he disputed the view on indulgences. Luther proposed an academic discussion of the practice and efficacy of indulgences in his Ninety-five Theses of 1517. His refusal to renounce all of his writings at the demand of Pope Leo X in 1520 and the Holy Roman Emperor Charles V at the Diet of Worms in 1521 resulted in his excommunication by the pope and condemnation as an outlaw by the Holy Roman Emperor.

Luther taught that salvation and, consequently, eternal life are not earned by good deeds but are received only as the free gift of God's grace through the believer's faith in Jesus Christ as redeemer from sin. His theology challenged the authority and office of the Pope by teaching that the Bible is the only source of divinely revealed knowledge, and opposed sacerdotalism by considering all baptized Christians to be a holy priesthood. Those who identify with these, and all of Luther's wider teachings, are called Lutherans, though Luther insisted on Christian or Evangelical (German: evangelisch) as the only acceptable names for individuals who professed Christ.

His translation of the Bible into the German vernacular (instead of Latin) made it more accessible to the laity, an event that had a tremendous impact on both the church and German culture. It fostered the development of a standard version of the German language, added several principles to the art of translation, and influenced the writing of an English translation, the Tyndale Bible. His hymns influenced the development of singing in Protestant churches. His marriage to Katharina von Bora, a former nun, set a model for the practice of clerical marriage, allowing Protestant clergy to marry.

In two of his later works, Luther expressed antagonistic views towards Jews. His rhetoric was not directed at Jews alone, but also towards Roman Catholics, Anabaptists, and nontrinitarian Christians. Luther died in 1546 with Pope Leo X's excommunication still effective.


Stamps from several countries depicting Martin Luther

1632 Born: Johannes Vermeer, Dutch painter (d. 1675)

Johannes Vermeer (October 1632 – December 1675) was a Dutch Baroque Period painter who specialized in domestic interior scenes of middle class life. He was a moderately successful provincial genre painter in his lifetime but evidently was not wealthy, leaving his wife and children in debt at his death, perhaps because he produced relatively few paintings.

Vermeer worked slowly and with great care, and frequently used very expensive pigments. He is particularly renowned for his masterly treatment and use of light in his work.

Vermeer painted mostly domestic interior scenes. "Almost all his paintings are apparently set in two smallish rooms in his house in Delft; they show the same furniture and decorations in various arrangements and they often portray the same people, mostly

He was recognized during his lifetime in Delft and The Hague, but his modest celebrity gave way to obscurity after his death. He was barely mentioned in Arnold Houbraken's major source book on 17th-century Dutch painting (Grand Theatre of Dutch Painters and Women Artists), and was thus omitted from subsequent surveys of Dutch art for nearly two centuries.  In the 19th century, Vermeer was rediscovered by Gustav Friedrich Waagen and Théophile Thoré-Bürger, who published an essay attributing 66 pictures to him, although only 34 paintings are universally attributed to him today. Since that time, Vermeer's reputation has grown, and he is now acknowledged as one of the greatest painters of the Dutch Golden Age. Like some major Dutch Golden Age artists such as Frans Hals and Rembrandt, Vermeer never went abroad. And like Rembrandt, he was an avid art collector and dealer.

In 2008, American entrepreneur and inventor Tim Jenison developed the theory that Vermeer had used a camera obscura along with a "comparator mirror", which is similar in concept to a camera lucida but much simpler and makes it easy to match color values. He later modified the theory to simply involve a concave mirror and a comparator mirror. He spent the next five years testing his theory by attempting to re-create The Music Lesson himself using these tools, a process captured in the 2013 documentary film Tim's Vermeer.

In December 1675, Vermeer died after a short illness. He was buried in the Protestant Old Church on 15 December 1675.

Stamps from France, Netherlands and Netherlands Antilles depicting Vermeer's works

1835 Born: Adolf von Baeyer, German chemist and academic, Nobel Prize laureate (d. 1917)

Johann Friedrich Wilhelm Adolf von Baeyer (31 October 1835 – 20 August 1917) was a German chemist who synthesized indigo and developed a nomenclature for cyclic compounds (that was subsequently extended and adopted as part of the IUPAC organic nomenclature). He was ennobled in the Kingdom of Bavaria in 1885 and was the 1905 recipient of the Nobel Prize in Chemistry.

Baeyer charted his own path into science early on, performing experiments on plant nutrition at his paternal grandfather's Müggelsheim farm as a boy; back in the confines of Berlin, he took to the test tubes with chemical experimentation starting at the age of nine. Three years later, he synthesized a previously unknown chemical compound -double carbonate of copper and sodium. On his 13th birthday, he initiated his lifework, buying a chunk of indigo worth two Thalers for his first dye experiments.

When still a schoolboy, his chemistry teacher at the Friedrich Wilhelm Gymnasium appointed him as his assistant. After graduating from secondary school in 1853, he entered the Berlin University to study physics and mathematics. A stint in the Prussian army interrupted his study until 1856, when he returned to academia at the University of Heidelberg, intending to study chemistry under Robert Bunsen. After an argument with the renowned chemist, however, he changed his mentor to August Kekulé. He continued to collaborate with Kekule even after he returned to Berlin in 1858 for the completion of his doctorate on arsenic methyl chloride, or cacodylic chloride.

After completing his doctorate, he followed Kekulé to the University of Ghent, when Kekulé became professor there. He became a lecturer at the Berlin Gewerbeinstitut (Royal Trade Academy [de]) in 1860 and a Professor at the University of Strasbourg in 1871. In 1875, he succeeded Justus von Liebig as Chemistry Professor at the University of Munich.

Baeyer's chief achievements include the synthesis and description of the plant dye indigo, the discovery of the phthalein dyes, and the investigation of polyacetylenes, oxonium salts, nitroso compounds (1869) and uric acid derivatives (1860 and onwards) (including the discovery of barbituric acid (1864), the parent compound of the barbiturates). He was the first to propose the correct formula for indole in 1869, after publishing the first synthesis three years earlier. His contributions to theoretical chemistry include the 'strain' (Spannung) theory of triple bonds and strain theory in small carbon rings.

In 1871 he discovered the synthesis of phenolphthalein by condensation of phthalic anhydride with two equivalents of phenol under acidic conditions (hence the name). That same year he was the first to obtain synthetic fluorescein, a fluorophore pigment which is similar to naturally occurring pyoverdin that is synthesized by microorganisms (e.g., by some fluorescent strains of Pseudomonas). Baeyer named his finding "resorcinphthalein" as he had synthesized it from phthalic anhydride and resorcinol. The term fluorescein would not start to be used until 1878.

In 1872 he experimented with phenol and formaldehyde; the resinous product was a precursor for Leo Baekeland's later commercialization of Bakelite.

In 1881 the Royal Society of London awarded Baeyer the Davy Medal for his work with indigo. He was elected a Foreign Honorary Member of the American Academy of Arts and Sciences in 1884. In 1905 he was awarded the Nobel Prize in Chemistry "in recognition of his services in the advancement of organic chemistry and the chemical industry, through his work on organic dyes and hydroaromatic compounds", and he continued in full active work as one of the best-known teachers in the world of organic chemistry up to within a year of his death.

Stamp issued by Guinea Bissau depicting Adolf von Baeyer

1838 Born: Luís I of Portugal (d. 1889)

Dom Luís I (31 October 1838 in Lisbon  – 19 October 1889 in Cascais), known as The Popular (Portuguese: O Popular) was a member of the ruling House of Braganza, and King of Portugal from 1861 to 1889. The second son of Queen Maria II and her consort, King Ferdinand, he acceded to the throne upon the death of his elder brother King Pedro V.

Luís was a cultured man who wrote vernacular poetry, but had no distinguishing gifts in the political field into which he was thrust by the deaths of his brothers Pedro V and Fernando in 1861. Luís's domestic reign was a tedious and ineffective series of transitional governments called Rotativism formed at various times by the Progressistas (Liberals) and the Regeneradores (Conservatives), the party generally favoured by King Luís, who secured their long term in office after 1881. Despite a flirtation with the Spanish succession prior to the Franco-Prussian War of 1870–71, Luís's reign was otherwise one of domestic stagnation as Portugal fell ever further behind the nations of western Europe in terms of public education, political stability, technological progress and economic prosperity. In colonial affairs, Delagoa Bay was confirmed as a Portuguese possession in 1875, whilst Belgian activities in the Congo (1880s) and a British Ultimatum in 1890 denied Portugal a land link between Portuguese Angola and Portuguese Mozambique at the peak of the Scramble for Africa.

Stamps from Portugal and Madeira depicting Luís I 

1864 – Nevada is admitted as the 36th U.S. state.

Nevada  is a state in the Western United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the 7th most extensive, the 32nd most populous, but the 9th least densely populated of the U.S. states. Nearly three-quarters of Nevada's people live in Clark County, which contains the Las Vegas–Paradise metropolitan area, including three of the state's four largest incorporated cities. Nevada's capital is Carson City.

Nevada is officially known as the "Silver State" because of the importance of silver to its history and economy. It is also known as the "Battle Born State" because it achieved statehood during the Civil War (the words "Battle Born" also appear on the state flag); as the "Sagebrush State", for the native plant of the same name; and as the "Sage-hen State".

Nevada is largely desert and semi-arid, much of it within the Great Basin. Areas south of the Great Basin are within the Mojave Desert, while Lake Tahoe and the Sierra Nevada lie on the western edge. About 86% of the state's land is managed by various jurisdictions of the U.S. federal government, both civilian and military.

Before European contact — and still today, American Indians of the Paiute, Shoshone, and Washoe tribes inhabited the land that is now Nevada. The first Europeans to explore the region were Spanish. They called the region Nevada (snowy) because of the snow which covered the mountains in winter like to Sierra Nevada in Spain. The area formed part of the Viceroyalty of New Spain, and became part of Mexico when it gained independence in 1821. The United States annexed the area in 1848 after its victory in the Mexican–American War, and it was incorporated as part of Utah Territory in 1850. The discovery of silver at the Comstock Lode in 1859 led to a population boom that became an impetus to the creation of Nevada Territory out of western Utah Territory in 1861. Nevada became the 36th state on October 31, 1864, as the second of two states added to the Union during the Civil War (the first being West Virginia).

US stamps commemorating Nevada's statehood

1926 Died: Harry Houdini, American magician and stuntman (b. 1874)

Harry Houdini (born Erik Weisz, later Ehrich Weiss or Harry Weiss; March 24, 1874 – October 31, 1926) was a Hungarian-born American illusionist and stunt performer, noted for his sensational escape acts. He first attracted notice in vaudeville in the United States and then as "Harry 'Handcuff' Houdini" on a tour of Europe, where he challenged police forces to keep him locked up. Soon he extended his repertoire to include chains, ropes slung from skyscrapers, straitjackets under water, and having to escape from and hold his breath inside a sealed milk can with water in it.

In 1904, thousands watched as he tried to escape from special handcuffs commissioned by London's Daily Mirror, keeping them in suspense for an hour. Another stunt saw him buried alive and only just able to claw himself to the surface, emerging in a state of near-breakdown. While many suspected that these escapes were faked, Houdini presented himself as the scourge of fake spiritualists. As President of the Society of American Magicians, he was keen to uphold professional standards and expose fraudulent artists. He was also quick to sue anyone who imitated his escape stunts.

Houdini made several movies but quit acting when it failed to bring in money. He was also a keen aviator and aimed to become the first man to fly a plane in Australia.

US stamp and FDC depicting Houdini