Keichô 20 (慶長二十年) / Genna 1 (元和一年)
Timeline of 1615
- 1615/5/15 Tokugawa Ieyasu hosts a religious debate between Tendai priests at Nijô castle.
- 1615/5/18 Ieyasu hosts a debate on Buddhist logic (inmyô; Skt. hetu-vidyâ) at Nijô castle.
- 1615/5/21 Ieyasu hosts a debate between Shingon priests at Nijô castle.
- 1615/5/23 Ieyasu hosts another religious debate between Tendai priests at Nijô castle.
- 1615/int.6/13 The shogunate implements the "one castle per domain" policy, requiring each han to maintain no more than one castle within its borders.
- 1615/7/7 Tokugawa Ieyasu orders the preparation of the Buke Shohatto (Laws for Warrior Houses), which Ishin Sûden reads to an assembly of daimyô at Fushimi.
- 1615/7/13 Genna era begins.
- 1615/7/17 Tokugawa Ieyasu issues Kinchu Narabini Kuge Shohatto (Laws for Aristocrats)
- 1615/9/21 The Môri clan's mansion in Edo burns down; the fire spreads to the Shimazu clan's Sakurada mansion, among others destroying them as well.
Siege of Osaka
- 1615/1 A cease-fire is called at Osaka castle.
- 1615/2/1 Tokugawa forces finish filling in the moats of Osaka castle.
- 1615/4/18 Tokugawa Ieyasu arrives in Kyoto, and begins assembling forces for another attack on Osaka.
- 1615/4/21 Tokugawa Hidetada arrives in Kyoto.
- 1615/5/5 Tokugawa forces depart Kyoto for Osaka.
- 1615/5/7 Battle of Tennôji (Osaka Summer Campaign) - Tokugawa forces defeat Toyotomi forces, and assault Osaka castle.
- 1615/5/8 Osaka castle surrenders to Tokugawa forces.; Tokugawa Ieyasu returns to Kyoto.
- 1615/5/10 Tokugawa Ieyasu and Hidetada gather their generals at Nijô castle and formally present them with rewards for their service in taking down Osaka.
Other Events of 1615
- Kanô Naganobu is named official painter (goyô eshi) to the Tokugawa shogunate, marking the beginning of the Kanô school holding this position as official court painters.
- The first Kawaraban is published.
Births and Deaths of 1615
- 1615/2 Painter Kaihô Yûshô dies (b. 1533).
- 1615/5/7 Sanada Yukimura dies in battle.
- 1615/5/8 Toyotomi Hideyori and Yodo-dono commit suicide.
- Furuta Oribe dies (b. 1544).
- Kimura Shigenari dies (b.1594).