1488 Ulrich von Hutten, German poet/humanist/patriot was born on this day in history.
1546 Arcangelo Crivelli, composer was born on April - 21.
1555 Ludovico Carracci, Italian painter (d. 1619) was born on this day in history.
1619 John A van Riebeeck, colonial director/founder (Cape Colony) was born on April - 21.
1651 On April - 21 birth of blessed Joseph Vaz, Apostle of Ceylon (d. 1711)
1652 On April - 21 birth of michel Rolle, French mathematician (d. 1719)
1671 John Law, Scottish economist (d. 1729) was born on this day in history.
1672 Johann Philipp Kafer, composer was born on April - 21.
1073 Alexander II, [Anselmo da Baggio], Pope (1061-73), dies on this day in history.
1109 On April - 21 anselmus, philosopher/archbishop of Canterbury, dies
1142 Death of Pierre Abélard, French writer (b. 1079) on this day in history.
1329 Death of Frederick IV, Duke of Lorraine (b. 1282) on this day in history.
1509 Henry VII, 1st Tudor king of England (1485-1509), dies at 52 on April - 21.
1551 On April - 21 death of oda Nobuhide, Japanese warlord (b. 1510)
1552 On this day in history peter Apianus, [Bennewitz/Bienewitz], German astronomer, dies at 50
1557 Death of Petrus Apianus, German mathematician (b. 1495) on April - 21.