Feb 29, 2016 by
Every four years, February gets an extra day added to the calendar, bringing the total of days in a year to 366. But why on Earth does that happen? Watch the video below to find out why.
https://youtube.com/watch?v=xX96xng7sAE%3Frel%3D0%26showinfo%3D0%2520frameborder%3D0%2520allowfullscreen
