The next year of the Battle of Sekigahara, Ieyasu TOKUGAWA carried out so-called Tenkabushin (Construction Order by the Tokugawa Shogunate: he ordered all daimyo to participate in construction projects including the construction of Zeze-jo Castle in 1601 as a starter, followed by the rebuilding and construction of Fushimi-jo Castle/Nijo-jo Castle/ Hikone-jo Castle/Sasayama-jo Castle/Kameyama-jo Castle (Tanba Province)/Nagoya-jo Castle and the great renovation of Edo-jo Castle/Sunpu-jo Castle/Himeji-jo Castle/Ueno-jo Castle.
徳川家康は関ヶ原の戦いの翌年、慶長6年（1601年）に築城を始めた膳所城を皮切りに伏見城・二条城・彦根城・篠山城・亀山城(丹波国)・名古屋城の再建・造営や江戸城・駿府城・姫路城・上野城などの大改修など、諸大名を動員した建築事業、いわゆる天下普請を行った。