Portal:Japan/Anniversaries/August/August 21

August 21:

Events
 * 1192 - Minamoto Yoritomo becomes Seii Tai Shōgun and the de facto ruler of Japan. (Traditional Japanese date: July 12, 1192)
 * 1856 - America's first consul to Japan, Townsend Harris, arrives in Shimoda. (Traditional Japanese date: July 21, 1856)
 * 1942 - World War II: Allied forces involved in the Guadalcanal campaign defeated an attack by Imperial Japanese Army soldiers in the Battle of the Tenaru.

Births
 * 1535 - Shimazu Yoshihiro (d. 1619), general
 * 1962 - Tsutomu Miyazaki (d. 2008), serial killer
 * 1986 - Koki Sakamoto, gymnast