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International Ninja Day is celebrated around the world on December 5 each year. The holiday has quickly gained popularity and is now observed by many. Don your black mask and have some fun!

History

The origins of International Ninja Day are uncertain. One theory suggests it honors the film The Last Samurai, a co-production of Japan, the United States, and New Zealand, which features a memorable battle between ninjas and samurai. Another traces the holiday to the Ninja Burger Company, which chose this date to celebrate the speed of its delivery couriers.

The concept of ninja originated in Japan with the shinobi, practitioners of ninjutsu. Shinobi no mono translates as “person of stealth,” while ninjutsu refers to the techniques of stealth, hand-to-hand combat, and surprise attacks. This martial art flourished in the 15th and 16th centuries but declined when peace returned to Japan in the early 17th century.

Interesting facts

• The first recorded mention of ninjas appears in the 1375 military chronicle Taiheiki.
• Ninjas are often considered the ancestors of modern special forces.
• Contrary to popular belief, ninjas did not wear masks; they covered their faces with their hands when enemies approached or wrapped white bandages around their heads at night.
• They used complex hand signals for silent communication during missions.
• Beyond stealth and combat, ninjas excelled as spies and intelligence gatherers, infiltrating enemy territory for reconnaissance.

How to take part

Watch classic ninja films with friends or host a ninja-themed party. Encourage guests to dress in ninja attire and celebrate the agility and skill of these historical figures.

When is International Ninja Day in 2025?

International Ninja Day is observed on December 5 each year.

Observations