Ides of March is celebrated on March 15, 2015. The Ides of March is the name of the 15th day of March in the Roman calendar. In modern times, the term Ides of March is best known as the date on which Julius Caesar was assassinated in 44 B.C. Caesar was stabbed (23 times) to death in the Roman Senate by a group of conspirators led by Marcus Junius Brutus and Gaius Cassius Longinus. In Canada, the day is celebrated with the drinking of Bloody Caesars.