WHAT HAPPENED ON 23. MAY
Want to find out what all happened on 23. May

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. (23. May 844)

Siege of Compiègne: Joan of Arc is captured by the Burgundians while leading an army to relieve Compiègne. (23. May 1430)

Girolamo Savonarola is burned at the stake in Florence, Italy. (23. May 1498)

The marriage of King Henry VIII to Catherine of Aragon is declared null and void. (23. May 1533)

The Netherlands declare their independence from Spain. (23. May 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. (23. May 1568)

Official ratification of the Second Charter of Virginia takes place. (23. May 1609)

The Second Defenestration of Prague precipitates the Thirty Years' War. (23. May 1618)

After being convicted of piracy and of murdering William Moore, Captain William Kidd is hanged in London, England. (23. May 1701)

Battle of Ramillies: John Churchill, 1st Duke of Marlborough, defeats a French army under Marshal François de Neufville, duc de Villeroi. (23. May 1706)

South Carolina ratifies the United States Constitution as the 8th American state. (23. May 1788)

Battle of Famars during the Flanders Campaign of the War of the First Coalition. (23. May 1793)

Accordion patent granted to Cyrill Demian in Vienna, Austrian Empire. (23. May 1829)

Declaration of the Báb: 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. (23. May 1844)

Mexican–American War: President Mariano Paredes of Mexico unofficially declares war on the United States. (23. May 1846)

The Canadian Parliament establishes the North-West Mounted Police, the forerunner of the Royal Canadian Mounted Police. (23. May 1873)

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. (23. May 1900)

The unicameral Parliament of Finland gathers for its first plenary session. (23. May 1907)

The New York Public Library is dedicated. (23. May 1911)

World War I: Italy joins the Allies after they declare war on Austria-Hungary. (23. May 1915)