Decades: 1420s 1430s 1440s 1450s 1460s - 1470s - 1480s 1490s 1500s 1510s 1520s
Years: 1473 1474 1475 1476 1477 - 1478 - 1479 1480 1481 1482 1483
Events April 26 - The Pazzi attack Lorenzo de' Medici and kill his brother Giuliano during High Mass in the Florence Cathedral. December 28 - Battle of Giornico - Swiss troops defeat the Milanese. Lorenzo de' Medici becomes sole ruler of Florence Grand Prince Ivan III of Moscow conquers Novgorod Births February 7 - Sir Thomas More, statesman and humanist, author of Utopia (d. 1535) Baldassarre Castiglione, italian writer and diplomat (the author of The Book of the Courtier - d. 1529). Pope Clement VII (d. 1534) Deaths Giuliano de' Medici killed in Florence Cathedral