Wednesday · in 31074 days

20 Aban 1490

Wednesday 20 Aban 1490 in the Persian calendar is Wednesday, 11 November 2111, and 9 Muharram 1536 in the Islamic calendar.

This day's Islamic date is not yet officially announced and is an astronomical estimate; it and the day's religious occasions may move by a day.

Public holiday

This day in four calendars

1215 (811 years ago) The Fourth Council of the Lateran meets, defining the doctrine of transubstantiation, the process by which bread and wine are, by that doctrine, said to transform into the body and blood of Christ.
1673 (353 years ago) Second Battle of Khotyn in Ukraine: Polish–Lithuanian Commonwealth forces under the command of Jan Sobieski defeat the Ottoman army. In this battle, rockets made by Kazimierz Siemienowicz are successfully used.
1923 (103 years ago) Adolf Hitler is arrested in Munich for high treason for his role in the Beer Hall Putsch.
1930 (96 years ago) Patent number US1781541 is awarded to Albert Einstein and Leó Szilárd for their invention, the Einstein refrigerator.
1968 (58 years ago) Vietnam War: Operation Commando Hunt initiated. The goal is to interdict men and supplies on the Ho Chi Minh trail, through Laos into South Vietnam.
1975 (51 years ago) Independence of Angola.
1981 (45 years ago) Antigua and Barbuda joins the United Nations.
2012 (14 years ago) A strong earthquake with the magnitude 6.8 hits northern Burma, killing at least 26 people.

1493 (533 years ago) Paracelsus, Swiss-German physician, botanist, astrologer, and occultist (died 1541)
1821 (205 years ago) Fyodor Dostoevsky, Russian novelist, short story writer, essayist, and philosopher (died 1881)
1885 (141 years ago) George S. Patton, American general (died 1945)
1922 (104 years ago) Kurt Vonnegut, American novelist, short story writer, and essayist (died 2007)
1945 (81 years ago) Daniel Ortega, Nicaraguan politician, President of Nicaragua
1962 (64 years ago) Demi Moore, American actress, director, and producer
1966 (60 years ago) Benedicta Boccoli, Italian model and actress
1974 (52 years ago) Leonardo DiCaprio, American actor and producer

683 (1343 years ago) Yazid I, Muslim caliph (born 647)
1855 (171 years ago) Søren Kierkegaard, Danish philosopher, author, and poet (born 1813)
1917 (109 years ago) Liliuokalani of Hawaii,
1973 (53 years ago) Artturi Ilmari Virtanen, Finnish chemist and academic, Nobel Prize laureate (born 1895)
1976 (50 years ago) Alexander Calder, American sculptor (born 1898)
2004 (22 years ago) Yasser Arafat, Palestinian engineer and politician, 1st President of the Palestinian National Authority, Nobel Prize laureate (born 1929)
2005 (21 years ago) Peter Drucker, Austrian-American author, theorist, and educator (born 1909)
2021 (5 years ago) F. W. de Klerk, South African lawyer and politician, former State President of South Africa, Nobel Prize laureate (born 1936)