The 23rd o Mey is the 143rd day o the year (144t in lowp years) in the Gregorian Calendar, wi 222 days ti come.

• 1568 - The Netherlands declare unthirldom frae Spain.
• 1618 - The seicont Defenestration o Prague leads tae the Thirty Years' War.
• 1788 - Sooth Carolina becomes the 8t state tae ratify the Unitit States Constitution.
• 1844 - Declaration o the Bab in the Baha'i faith.
• 1915 - Warld War I: Italy jyns the Allies.
• 1945 - Nazi offeecial Heinrich Himmler commits suicide.
• 1949 - The Federal Republic o Germany (then-Wast Germany) is foondit.
• 1994 - Roman Herzog is electit Preses o Germany.
• 1998 - The Guid Fryday Agreement is supportit bi 75% o voters in Northren Ireland in a referendum.
• 1999 - Johannes Rau is electit Preses o Germany.
• 2002 - Iceland ratifies the Kyoto Protocol.
• 2009 - Umwhile Sooth Korean Preses Roh Moo-hyun commits suicide.
• 2014 - The Glesga Schuil o Airt, designed bi Charles Rennie Mackintosh, is heavily damaged bi fire; it suffers a seicont major fire in Juin 2018.
• 2016 - Bomb attacks in Wastren Sirie kill at least 100 fowk.
• 2019 - Narendra Modi's Bharatiya Janata Pairty wins a pairlamentar majority in Indie's general election.
• 2019 - The Unitit Kinrick pairteecipates in the European Pairlament election, aicht weeks efter the oreeginal planned date for the kintra's exit frae the European Union.

• 1052 - Philip I o Fraunce (d. 1108)
• 1707 - Carolus Linnaeus, Swedish botanist (d. 1778)
• 1718 - William Hunter, Scots anatomist an medicinar (d. 1783)
• 1790 - Jules Dumont d'Urville, French splorer (d. 1842)
• 1848 - Otto Lilienthal, German aviator (d. 1896)
• 1883 - Douglas Fairbanks, American actor (d. 1939)
• 1897 - Jimmie Guthrie, Scots motorcycle racer (d. 1937)
• 1900 - Hans Frank, German Nazi politeecian (d. 1946)
• 1908 - John Bardeen, American pheesicist an ingineer (d. 1991)
• 1925 - Joshua Lederberg, American biochemist (d. 2008)
• 1928 - Rosemary Clooney, American sangster an actress (d. 2002)
• 1933 - Joan Collins, Inglis actress
• 1949 - Alan Garcia, Preses o Peru (d. 2019)
• 1950 - Martin McGuinness, Northren Erse politeecian (d. 2017)
• 1951 - Anatoly Karpov, Roushie chess player
• 1956 - Ian Wallace, Scots fitbawer
• 1958 - Drew Carey, American actor, comedian an telly host
• 1971 - George Osborne, Inglis politeecian
• 1972 - Rubens Barrichello, Brazilian racin driver
• 1976 - Stephen Glass, Scots fitbawer
• 1985 - Ross Wallace, Scots fitbawer
• 1991 - Lena Meyer-Landrut, German sangster

• 1125 - Henry V, Haly Roman Emperor (b. 1081)
• 1498 - Girolamo Savonarola, Italian Dominican friar (b. 1452)
• 1857 - Augustin-Louis Cauchy, French mathemateecian (b. 1789)
• 1906 - Henrik Ibsen, Norse writer an playwricht (b. 1828)
• 1937 - John D. Rockefeller, American businessman (b. 1839)
• 1945 - Heinrich Himmler, German Nazi war creeminal (b. 1900)
• 2009 - Roh Moo-hyun, Preses o Sooth Korea (b. 1946)
• 2015 - John Forbes Nash, Jr., American mathemateecian (b. 1928)
• 2017 - Roger Moore, Inglis actor (b. 1927)
• 2019 - Joseph Devine, Roman Catholic Bishop o Mitherwall (b. 1937)

• Students' Day (Mexico)
• Labour Day (Jamaica)
• Warld Turtle Day