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Humblebrag

On this day

What happened on February 29

The day that only exists every fourth year. Anyone born on it has had roughly a quarter of the birthdays they are owed, which is the kind of arithmetic this whole app exists for.

15 things that happened

Born on February 29

How many days since yours?

Humblebrag counts any date you give it and tells you what the total equals — against a pregnancy, a presidency, a rover’s life on Mars.