1676 in Japan

300px|thumb|Bansenshukai Bansenshūkai (, Ten Thousand Rivers Flowing Together to form an Ocean) (Also pronounced Mansenshukai) is a 1676 Japanese book containing a collection of knowledge from the clans in the Iga and Kōga, The book was compiled by Fujibayashi Yasutake (descendant of Fujibayashi Nagato-no-kami) in 1676, in the early years of the Tokugawa shogunate.