- 44 BC 15 Mar Julius Caesar, dictator of Rome for life, is assassinated in a conspiracy led by Cassius and Brutus.
- 1877 15 Mar England and Australia begin play in the first ever cricket test match. Australia win by 45 runs.
- 1917 15 Mar Tsar Nicholas II of Russia abdicates after the February Revolution, ending 1,000 years of imperial rule.

