00:00Did you know your birthday is way more interesting than you think?
00:04The tradition of birthday cake actually started in ancient Greece.
00:08They baked round cakes to honor Artemis, the goddess of the moon.
00:12That's why we put candles on top, to make it glow like the moon.
00:16The happy birthday song is over a hundred years old, and it used to be the most profitable song in
00:23history.
00:24Restaurants actually had to pay money just to sing it, until 2016.
00:28More people in the world are born on September 9th than any other day, and the rarest birthday of all
00:35is February 29th.
00:37Leap day babies only get a real birthday every four years.
00:41In Germany, your friends will literally show up at your house at midnight with a cake to wake you up.
00:47It's a tradition called a birthday surprise.
00:50And psychologists found that people who actually celebrate their birthdays with friends and family have less stress and better heart
00:57health.
00:57So celebrating might help you live longer.
01:00When is your birthday?
01:01Tell me in the comments.
