5 Facts About Leap Years
Julius Caesar implemented the leap year in Rome.
The Julian Calendar was implemented in 46 B.C.E.
Though it was flawed, it remained in place for 16 centuries until the Gregorian Calendar replaced it.
Millions of Monarchs Fly to This Butterfly Forest in Mexico Every YearHoards of monarch butterflies head to a forest in Michoacán, Mexico every year in one of the world's longest insect migrations.
Couple Celebrates Leap Day BirthdaysPaul and Peggy Stribel are married and they celebrate their birthday on the same day: January 29.