1910 in Japan

Incumbents

• Emperor: Emperor Meiji
• Prime Minister: Katsura Tarō

  Events

• May 14 - The Japan–British Exhibition opens at White City, London, the largest international exposition the Empire of Japan had participated in up to that time.
• May 20 - Kōtoku Incident: police searchingthe room of Miyashita Takichi, discover a socialist-anarchist plot to assassinate the Japanese Emperor Meiji, leading to mass arrests.
• August 22 - Japan–Korea Treaty of 1910: Japan formally annexes Korea. The treaty was proclaimed to the public on August 29, 1910, officially starting the period of Japanese rule in Korea.
• October 1 - The Nippon Columbia record label is founded by Nipponophone Co., Ltd.
• November - A confectionery brand Fujiya founded in Yokohama.
• December - The Japanese Antarctic Expedition leaves Tokyo, led by Nobu Shirase.

  Births

• January 7 - Masako Shirasu, novelist
• January 21 - Hideo Shinojima, footballer
• February 6 - Komako Hara, film actress
• February 19 - Prince Nagahisa Kitashirakawa
• March 12 - Masayoshi Ōhira, politician
• March 23 - Akira Kurosawa, screenwriter, producer, and director
• May 16 - Higashifushimi Kunihide, Buddhist monk
• September 10 - Kozaburo Hirai, composer
• October 10 - Ichiji Tasaki, biophysicist
• November 10 - Takeo Fujisawa, businessman
• November 15 - Yatarō Kurokawa, actor

  Deaths

• March 3 - Sasaki Takayuki, government minister and court official
• April 15 - Tsutomu Sakuma, career naval officer and pioneer submarine commander
• April 22 - Rokuzan Ogiwara, sculptor
• June 11 - Kataharu Matsudaira daimyō
• July 3
• *Tokugawa Akitake, daimyō
• *Matasaburō Watanabe, politician
• August 2 - Inoue Masaru, Director of Railways in Japan
• August 26 - Ume Kenjirō, legal scholar
• September 13 - Sone Arasuke, politician and Japanese Resident-General of Korea
• October 24 - Yamada Bimyō, novelist
• November 5 - Nishio Tadaatsu, daimyō