Feb. 29, 45 B.C.: Julius Caesar Takes the Leap: Julius Caesar figures out that those extra hours have added up, and he reforms the Roman calendar by adding an extra day every four years. Enter the leap year.
Feb. 29, 45 B.C.: Julius Caesar Takes the Leap: Julius Caesar figures out that those extra hours have added up, and he reforms the Roman calendar by adding an extra day every four years. Enter the leap year.