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When is the Ides of March?

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The Editors of Encyclopaedia Britannica

The Ides of March is March 15. The term Ides derives from the Latin word iduare (Latin: “to divide”), with the full moon serving as the division point in the middle of each month. The Ides of March is associated with misfortune and doom. Julius Caesar was assassinated on the Ides of March in 44 bce. The day was further immortalized in William Shakespeare’s play Julius Caesar, in which a soothsayer warns Caesar to “beware the Ides of March.”