Major Events
- Jan 18 Grand Duke Ivan II of Moscow occupies Novgorod
- Feb 18 George, Duke of Clarence, convicted of treason against his older brother Edward IV of England, is privately executed in the Tower of London (allegedly by being drowned in a butt of Malmsey wine).
- Apr 26 Pazzi conspirators attack Lorenzo de' Medici and kill Giuliano de' Medici in Florence
Thomas More
Clement VIIMore People Born in 1478
Who Died in 1478
- Feb 18 Duke of Clarence, privately executed and reputedly drowned in a butt of Malmsey wine
- Feb 22 Hendrik Herp (Herpius/Harphius), writer (Spieghel volcomenheit), dies
- Apr 26 Giuliano de' Medici, Italian co-ruler of Florence with his brother Lorenzo, murdered in the Pazzi Conspiracy in Duomo of Florence at 24
- Nov 19 Emperor Baeda Maryam of Ethiopia (b. 1448)
Leonardo da Vinci
Louis XI