Why Famous: The founder and first Shogun of the Tokugawa shogunate, which ruled Japan until the Meiji Restoration in 1868. Ieyasu was one of the three unifiers of Japan.
- 1573-01-25 Battle of Mikatagahara, in Japan; Takeda Shingen defeats Tokugawa Ieyasu
- 1590-08-30 Tokugawa Ieyasu enters Edo Castle (Traditional Japanese date: August 1, 1590)
- 1615-06-04 Siege of Osaka: Forces under the shogun Tokugawa Ieyasu take Osaka Castle in Japan.