INTERNATIONAL NINJA DAY
International Ninja Day is observed annually on December 5.
HOW TO OBSERVE
Dress like a Ninja. Walk like a Ninja. Talk like a Ninja. Or, just watch a Ninja movie. Use #InternationalNinjaDay to post on social media.
International Ninja Day was created in 2003 by Ninja Burger as a way to celebrate the Ninja speed with which their burgers are delivered.