23 May Events

May 23 is the 143rd day of the year (144th in leap years) in the Gregorian calendar. There are 222 days remaining until the end of the year. This date is slightly more likely to fall on a Monday, Wednesday or Saturday (58 in 400 years each) than on Thursday or Friday (57), and slightly less likely to occur on a Tuesday or Sunday (56).

Events

844 – Battle of Clavijo: The Apostle Saint James the Greater is said to have miraculously appeared to a force of outnumbered Asturians and aided them against the forces of the Emir of Cordoba.
1430 – Joan of Arc is captured by the Burgundians while leading an army to raise the Siege of Compiègne.
1498 – Girolamo Savonarola is burned at the stake in Florence, Italy.
1533 – The marriage of King Henry VIII to Catherine of Aragon is declared null and void.
1568 – Dutch rebels led by Louis of Nassau, defeat Jean de Ligne, Duke of Arenberg, and his loyalist troops in the Battle of Heiligerlee, opening the Eighty Years' War.
1609 – Official ratification of the Second Virginia Charter takes place.
1618 – The Second Defenestration of Prague precipitates the Thirty Years' War.
1701 – After being convicted of piracy and of murdering William Moore, Captain William Kidd is hanged in London.
1706 – John Churchill, 1st Duke of Marlborough, defeats a French army under Marshal François de Neufville, duc de Villeroy in the Battle of Ramillies.
1788 – South Carolina ratifies the United States Constitution as the eighth American state.
1793 – Battle of Famars during the Flanders Campaign of the War of the First Coalition.
1829 – Accordion patent granted to Cyrill Demian in Vienna, Austrian Empire.
1844 – Declaration of the Báb the evening before the 23rd: A merchant of Shiraz announces that he is a Prophet and founds a religious movement that would later be brutally crushed by the Persian government. He is considered to be a forerunner of the Bahá'í Faith, and Bahá'ís celebrate the day as a holy day.
1846 – Mexican–American War: President Mariano Paredes of Mexico unofficially declares war on the United States.
1873 – The Canadian Parliament establishes the North-West Mounted Police, the forerunner of the Royal Canadian Mounted Police.
1900 – American Civil War: Sergeant William Harvey Carney is awarded the Medal of Honor for his heroism in the Assault on the Battery Wagner in 1863.
1907 – The unicameral Parliament of Finland gathers for its first plenary session.
1911 – The New York Public Library is dedicated.
1915 – World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
1932 – In Brazil, four students are shot and killed during a manifestation against the Brazilian dictator Getúlio Vargas, which resulted in the outbreak of the Constitutionalist Revolution several weeks later.
1934 – Infamous American bank robbers Bonnie and Clyde are ambushed by police and killed in Bienville Parish, Louisiana.
1934 – The Auto-Lite strike culminates in the "Battle of Toledo", a five-day melée between 1,300 troops of the Ohio National Guard and 6,000 picketers.
1939 – The U.S. Navy submarine USS Squalus sinks off the coast of New Hampshire during a test dive, causing the death of 24 sailors and two civilian technicians. The remaining 32 sailors and one civilian naval architect are rescued the following day.
1945 – World War II: Heinrich Himmler, the head of the Schutzstaffel, commits suicide while in Allied custody.
1945 – World War II: The Flensburg Government under Reichspräsident Karl Dönitz is dissolved when its members are captured and arrested by British forces.
1948 – Thomas C. Wasson, the US Consul-General, is assassinated in Jerusalem, Israel.
1949 – The Federal Republic of Germany is established and the Basic Law for the Federal Republic of Germany is proclaimed.
1951 – Tibetans sign the Seventeen Point Agreement for the Peaceful Liberation of Tibet with China.
1992 – Italy's most prominent anti-mafia judge Giovanni Falcone, his wife and three body guards are killed by the Corleonesi clan with a half-ton bomb near Capaci, Sicily. His friend and colleague Paolo Borsellino will be assassinated less than two months later, making 1992 a turning point in the history of Italian Mafia prosecutions.
1995 – The first version of the Java programming language is released.
1998 – The Good Friday Agreement is accepted in a referendum in Northern Ireland with roughly 75% voting yes.
2002 – The "55 parties" clause of the Kyoto Protocol is reached after its ratification by Iceland.
2004 – Part of Paris Charles de Gaulle Airport's Terminal 2E collapses, killing four people and injuring three others.
2006 – Alaskan stratovolcano Mount Cleveland erupts.
2008 – The International Court of Justice (ICJ) awards Middle Rocks to Malaysia and Pedra Branca (Pulau Batu Puteh) to Singapore, ending a 29-year territorial dispute between the two countries.
2013 – The Interstate 5 bridge over the Skagit River collapses in Mount Vernon, Washington.
2014 – Seven people, including the perpetrator, are killed and another 14 injured in a killing spree near the campus of University of California, Santa Barbara.
2015 – At least 46 people are killed as a result of floods caused by a tornado in Texas and Oklahoma.
2016 – Two suicide bombings, conducted by the Islamic State of Iraq and Syria, killed at least 45 potential army recruits in Aden, Yemen.
2016 – Eight bombings were carried out by the Islamic State of Iraq and Syria in Jableh and Tartus, coastline cities in Syria. 184 people were killed and at least 200 people injured.

Holidays and observances

Christian feast day:
Aaron the Illustrious (Syriac Orthodox Church)
Desiderius of Vienne
Julia of Corsica
Nicolaus Copernicus and Johannes Kepler (Episcopal Church (USA))
Quintian, Lucius and Julian
May 23 (Eastern Orthodox liturgics)
Constitution Day (Germany)
Declaration of the Báb (Bahá'í Faith)
Labour Day (Jamaica)
Students' Day (Mexico)
World Turtle Day

Source: wikipedia