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Constitution Day

Japanese holiday
Also known as: Kempō Kinenbi

Quick Summary

Constitution Day, or Kempō Kinenbi, is a Japanese holiday observed annually on May 3rd. It commemorates the ratification of Japan's post-World War II constitution, which came into effect in 1947. This constitution established Japan as a democratic country, with sovereign power residing with the people, and famously renounces war as a sovereign right. The emperor is now a symbol of the state, and power is separated among legislative, executive, and judicial branches. Constitution Day is part of Japan's Golden Week, a series of holidays celebrated at the end of April and beginning of May.12

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