1474
| Years: 1471 1472 1473 - 1474 - 1475 1476 1477 | |
| Decades: 1440s 1450s 1460s - 1470s - 1480s 1490s 1500s | |
| Centuries: 14th century - 15th century - 16th century | |
- December 12 - Upon the death of Henry IV of Castile a civil war ensues between his designated successor Isabella I of Castile and her sister Juana who was supported by her husband, Alfonso V of Portugal. Isabella won the civil war after a lengthy struggle when her husband, Ferdinand II of Aragon, the newly crowned king of Aragon, comes to her aid.
- March 1 - Angela Merici, founder of the Ursulines (+ 1540)
- Perkin Warbeck, Fleming Pretender to the throne of England, claimed to be Richard, Duke of York (estimated date).
Deaths
- December 12 - King Henry IV, the Impotent, of Castile