Events
- 1942 - World War II: Battle of Savo Island - Allied naval forces protecting their amphibious forces during the initial stages of the Battle of Guadalcanal are surprised and defeated by an Imperial Japanese Navy cruiser force.
- 1993 - The Liberal Democratic Party of Japan loses a 38-year hold on national leadership.
- 1999 - The Diet of Japan enacts a law establishing the Hinomaru and Kimigayo as the official national flag and national anthem respectively.
Births
- 1933 - Tetsuko Kuroyanagi, actress, talk show host, and author
- 1985 - Haruka Kinami, actress
- 1989 - Kento Ono, actor and model
Deaths
- 1107 - Emperor Horikawa (b. 1079)