March 23

• March 23, 1026
  Conrad II, King of the Germans, crowns himself king of Italy
• March 23, 1490
  First dated edition of Mishna Torah, a code of Jewish religious law, written by Jewish philosopher Maimonides, is published
• March 23, 1592
  Toyotomi Hideyoshi, Imperial Regent of Japan, sends an army to invade Korea after Korea refused to help him invade China
• March 23, 1791
  Etta Palm d'Aelders, a Dutch champion of woman's rights, set up a group of women's clubs called the Confederation of the Friends of Truth
• March 23, 1801
  Paul I, Tsar of Russia, is strangled in his bedroom in Saint Petersburg ending 4 years of insane rule, and his son Alexander I Pavlovich succeeds him
• March 23, 1808
  Napoleon's brother Joseph takes the throne of Spain
• March 23, 1849
  Forces of Austrian Emprire under Joseph Radetzky von Radetz beat Kingdom of Sardinia in Battle of Novara, after which Charles Albert of Sardinia abdicats in favor of his son, Victor Emmanuel II
• March 23, 1857
  Elisha Otis installs the first modern passenger elevator in the 5-story Haughwout and Co. building at 488 Broadway in New York City
• March 23, 1875
  HMS Challenger, a steam-assisted Royal Navy Pearl-class corvette, surveys the deepest point in the Earth's oceans, the Challenger Deep
• March 23, 1881
  Boers and Britain sign a peace accord which ends the first Boer war and recognizes South African Republic and Orange Free State
• March 23, 1903
  Wright brothers obtain airplane patent
• March 23, 1919
  The Italian National Fascist Party, consisting of 200 members, is established by Benito Mussolini
• March 23, 1935
  The Philippines are granted Commonwealth status with Manuel Quezon as president, who designates a national language and introduces women's suffrage and land reform
• March 23, 1956
  Pakistan adopted a new constitution, becoming an Islamic republic, and gets full independence
• March 23, 1976
  International Bill of Rights, ratified by 35 nations, goes into effect
• March 23, 1983
  Barney Clar, first artificial heart recipient, dies after 112 days at age 62
• March 23, 1991
  Sierra Leone Civil War begins after the Revolutionary United Front intervened in Sierra Leone in an attempt to overthrow the Joseph Momoh government
• March 23, 1996
  Lee Teng-hui is re-elected in first direct elections for president in the Republic of China on Taiwan
• March 23, 1999
  NATO engages in 78-day bombing campaign against Serbia for occupation of Kosovo