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10 Interesting Facts About Leap Year

From Caesar, calendar changes, to cocktails - this Leap Year has it all.

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2. Julius Caesar introduced the first leap year around 46 B.C. with an extra day every four years.

However, his math was a little off. He created too many leap years. Every 400 years, there are an three extra days, so to compensate, centuries must be divisible by 400 to count as leap years (so it's not exactly every four years).

3. In Ireland, 29 February is called Bachelor's Day, when women (traditionally) can propose to men.

Scotland began the tradition in 1288 by passing a law permitting women to propose and if refused, the man had to pay a fine (one of the fines included gifting a silk dress).

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