* 1603/2/12 [[Tokugawa Ieyasu]] is formally named [[Shogun|Shôgun]] by [[Emperor Go-Yozei|Emperor Go-Yôzei]], marking the beginning of the [[Tokugawa shogunate]](''Edo bakufu'').
* 1603/2 Ieyasu begins assigning residential land in [[Edo]] to [[daimyo]].
* 1603/2 Ieyasu begins assigning residential land in [[Edo]] to [[daimyo]].
* 1603/3/3 The shogunate authorizes construction of [[Nihonbashi]].
* 1603/3/3 The shogunate authorizes construction of [[Nihonbashi]].