The following folks died on this day, June 21.
866 – Rodulf, Frankish archbishop
870 – Al-Muhtadi, Muslim caliph
1040 – Fulk III, Count of Anjou (b. 972)
1171 – Walter de Luci, French-English monk (b. 1103)
1208 – Philip of Swabia (b. 1177)
1305 – Wenceslaus II of Bohemia (b. 1271)
1359 – Erik Magnusson, king of Sweden (b. 1339)
1377 – Edward III of England (b. 1312)
1421 – Jean Le Maingre, French general (b. 1366)
1521 – Leonardo Loredan, Italian politician, 76th Doge of Venice (b. 1436)
1527 – Niccolò Machiavelli, Italian historian and author (b. 1469)
1529 – John Skelton, English poet and educator (b. 1460)
1547 – Sebastiano del Piombo, Italian painter and educator (b. 1485)
1558 – Piero Strozzi, Italian general (b. 1510)
1582 – Oda Nobunaga, Japanese warlord (b. 1534)
1585 – Henry Percy, 8th Earl of Northumberland (b. 1532)
1591 – Aloysius Gonzaga, Italian saint (b. 1568)
1596 – Jean Liebault, French agronomist and physician (b. 1535)
1621 – Louis III, Cardinal of Guise (b. 1575)
1621 – Kryštof Harant, Czech soldier and composer (b. 1564)
1622 – Salomon Schweigger, German theologian (b. 1551)
1631 – John Smith, English admiral and explorer (b. 1580)
1652 – Inigo Jones, English architect, designed the Queen's House and Wilton House (b. 1573)
1661 – Andrea Sacchi, Italian painter (b. 1599)
1737 – Matthieu Marais, French author, critic, and jurist (b. 1664)
1738 – Charles Townshend, 2nd Viscount Townshend, English politician, Lord Lieutenant of Ireland (b. 1674)
1796 – Richard Gridley, American soldier and engineer (b. 1710)
1824 – Étienne Aignan, French playwright and translator (b. 1773)
1865 – Frances Adeline Seward, American wife of William H. Seward (b. 1824)
1874 – Anders Jonas Ångström, Swedish physicist and astronomer (b. 1814)
1876 – Antonio López de Santa Anna, Mexican general and politician 8th President of Mexico (b. 1794)
1880 – Theophilus H. Holmes, American general (b. 1804)
1951 – Charles Dillon Perrine, American astronomer (b. 1867)
1964 – Michael Schwerner, American civil rights activist (b. 1939)
1985 – Hector Boyardee, Italian-American chef and businessman, founded Chef Boyardee (b. 1897)
1988 – Bobby Dodd, American football coach (b. 1908)
1992 – Li Xiannian, Chinese captain and politician, 3rd President of the People's Republic of China (b. 1909)
1998 – Al Campanis, American baseball player and manager (b. 1916)
2001 – Carroll O'Connor, American actor and producer (b. 1924)
2003 – Leon Uris, American soldier and author (b. 1924)
2004 – Leonel Brizola, Brazilian engineer and politician, Governor of Rio de Janeiro (b. 1922)
2008 – Scott Kalitta, American race car driver (b. 1962)
2012 – Richard Adler, American composer and producer (b. 1921)
2014 – Jimmy C. Newman, American singer-songwriter and guitarist (b. 1927)
2015 – Gunther Schuller, American horn player, composer, and conductor (b. 1925)
2016 – Pierre Lalonde, Canadian television host and singer (b. 1941)