May 21 is the 141st day of the year in the Gregorian calendar (142nd in leap years). There are 224 days remaining.
Events
- 996 - Sixteen year old Otto III is crowned Holy Roman Emperor. 
 - 1674 - John Sobieski  is elected by the nobility to be the King of Poland. 
 - 1856 - Lawrence, Kansas is captured and burned by pro-slavery forces. 
 - 1863 - American Civil War: Siege of Port Hudson[?] -  Union forces begin to lay siege to the  Confederate-controlled Port Hudson, Louisiana[?].  
 - 1881 - The American Red Cross is established by Clara Barton. 
 - 1924 - University of Chicago students Richard Loeb and Nathan Leopold, Jr. murder 14-year-old Bobby Franks in a "thrill killing." 
 - 1927 - Charles Lindbergh completes the first solo nonstop transatlantic flight. 
 - 1932 - Amelia Earhart becomes the first woman to fly solo across the Atlantic Ocean. 
 - 1941 - World War II: 950 miles off the coast of Brazil, the freighter SS Robin Moor[?] becomes the first United States ship sunk by a German U-boat.  
 - 1956 - Nuclear testing: In the Pacific Ocean, Bikini Atoll is nearly obliterated by the first airborne explosion of a hydrogen bomb.  
 - 1961 - American civil rights movement: Alabama Governor John Patterson[?] declares martial law in an attempt to restore order after race riots break out.  
 - 1991 - In Madras, former Indian prime minister Rajiv Gandhi is assassinated by a terrorist bomb hidden in a bouquet of flowers.  
 - 1998 - School shooting[?]:  At Thurston High School in Springfield, Oregon, Kipland Kinkel (who was suspended for bringing a gun to school) shoots a semi-automatic rifle into a room filled with students killing 2 wounding 25 others after killing his parents at home.  
 -   1998   - Reproductive rights[?]: In Miami, Florida, five abortion clinics[?] are hit by a butyric acid attacker.
 - 2003 - An earthquake hits northern Algeria. More than 2,000 deaths.
 
Births
- 1471 - Albrecht Dürer, painter and graphic artist (+ 1528)
 - 1527 - King Philip II of Spain  (+ 1598)
 - 1688 - Alexander Pope, poet (+ 1744)
 - 1844 - Henri Rousseau[?], artist (+ 1910)
 - 1898 - Armand Hammer[?], physician, entrepreneur, oil magnate, art collector
 - 1901 - Horace Heidt[?], band leader (+ 1986)
 -   1901   - Sam Jaffe[?], actor (+ 2000)
 - 1902 - Marcel Lajos Breuer[?], architect (+ 1981)
 - 1904 - Fats Waller, pianist (+ 1943)
 -   1904   - Robert Montgomery, actor (+ 1981)
 - 1916 - Harold Robbins, novelist (+ 1997)
 - 1917 - Raymond Burr, actor (+ 1993)
 - 1921 - Andrei Sakharov, physicist, human rights activist, recipient of the Nobel Prize (+ 1989)
 - 1923 - Ara Parseghian[?], American football coach
 - 1932 - Gabriele Wohmann[?], author
 - 1945 - Ernst Messerschmid[?], physicist and astronaut
 - 1948 - Leo Sayer[?], musician
 - 1952 - Mr. T, actor
 - 1956 - Judge Reinhold[?], actor
 - 1960 - Jeffrey Dahmer, serial killer (+ 1994)
 - 1972 - The Notorious B.I.G., musician (+ 1997)
 
Deaths
Holidays and observances
See Also:
May 20 - May 22 - April 21 - June 21 -- listing of all days
January, February, March, April, May, June, July,
August, September, October, November, December
 
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