Military operation

crossing the Rubicon

Jan 49 BCE · 44.09° N, 12.40° E

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What the records say

When
Jan 49 BCE
Kind
Military operation
Coordinates
44.09° N, 12.40° E
Description
historical event and idiom

Crossing the Rubicon

Idiom meaning a point of no return

The phrase "crossing the Rubicon" is an idiom meaning "passing the point of no return". Its meaning comes from the crossing of the Rubicon river by Julius Caesar in January 49 BC at the head of the 13th Legion. Caesar was not allowed to command an army within Italy proper, and by crossing the river with his forces was defying law and risking death.

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