The National Diet of Japan passes legislation allowing Emperor Akihito to abdicate. The abdication is to take place within three years.
Japan's parliament has passed a law allowing Emperor Akihito to become the first monarch to abdicate in 200 years.
- AP/Reuters via Aus. Broadcasting Corp.
- The Japanese Diet passes an anti-terrorism law that has been accused by critics as a threat to freedom.
- Emperor Akihito of Japan says he intends to lessen his official duties due to old age.
- Thousands protest outside the Japanese parliament in Tokyo against the relocation of a U.S. military base on Okinawa Island. Residents cite noise, pollution, and crime as reasons for not wanting a new base built.
- Japan's upper chamber of Parliament approves controversial legislation, which the lower chamber passed in July, that expands the role of the Japanese Self-Defense Forces overseas.
- Fist-fights erupt between legislators in the National Diet of Japan over a security bill that would allow Japan Self-Defense Forces to fight abroad. Japan had previously sent only a small amount of troops to Iraq.
- The National Diet of Japan votes to lower the voting age from 20 to 18.
- Japan's Princess Kiko gives birth to a son by caesarean section. The as-yet unnamed boy is the first male heir born to the Japanese Imperial Family in more than 40 years, and will ultimately become Emperor if the current succession laws are unchanged. The child's father, Prince Akishino is the second son of Emperor Akihito.
- Japan increases the already boiling tension with China as Japan's Ministry of Economy, Trade and Industry begins allowing Japanese companies rights to drill for oil in a part of the East China Sea claimed by both nations.
- Japanese Prime Minister Shinzo Abe is expected to dissolve the House of Representatives on September 28, 2017 to make way for fresh elections.
- A North Korean missile flies over Hokkaido, Japan, triggering the J-Alert system, following a similar event on 29 August.