It comes once every four years, and it confuses people every time. Welcome to and Top 5 Facts.brSubscribe to the channel: MOST AMAZING TOP 5 IS ON FACEBOOK: Leap Year only happens .brDid you know 2016 is a leap year and has 366 days? We all are fascinated by 29th of February that comes every fourth year! To explore that fascination further, .brbrThe first leap day was created by Caesar in 45 B.C., when that generations Ted Talk types realized a year actually has 365 ¼ days. Monday kicks off February .