Portal:Japan/Anniversaries/December/December 1

December 1:

Events
 * 1941 - World War II: Emperor Hirohito of Japan gives the final approval to initiate war against the United States.

Births
 * 1521 - Takeda Shingen (d. 1573), daimyo
 * 1920 - Peter Baptist Tadamaro Ishigami (d. 2014), priest, 1st Bishop of Naha
 * 1924 - Masao Horiba (d. 2015), businessman, founded Horiba
 * 1947 - Jinpachi Nezu, actor
 * 1962 - Sayoko Hagiwara, actress
 * 2001 - Aiko, Princess Toshi

Deaths
 * 1433 - Emperor Go-Komatsu (b. 1377)
 * 1602 - Kobayakawa Hideaki (b. 1582), daimyo