Year 1508 (MDVIII) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar.
|Centuries:||15th century – 16th century – 17th century|
|Decades:||1470s 1480s 1490s – 1500s – 1510s 1520s 1530s|
|Years:||1505 1506 1507 – 1508 – 1509 1510 1511|
- February – Maximilian I, Holy Roman Emperor attacks Venice
- June 6 – Maximilian I, Holy Roman Emperor is defeated in Friulia by Venetian forces; he is forced to sign a three-year truce and cede several territories to Venice
- December 10 – League of Cambrai formed as an alliance against Venice between Pope Julius II, Louis XII of France, Maximilian I, Holy Roman Emperor and Ferdinand II of Aragon.
- December – Michelangelo Buonarroti begins work on the ceiling of the Sistine Chapel
- Lebna Dengel succeeds his father Na'od as Emperor of Ethiopia. Due to his young age, his grandmother Eleni acts as regent.