1754 Hōreki River incident
The 1754 Horeki River incident (宝暦治水事件, Hōreki Chisui Jiken) was an incident in which the Tokugawa shogunate ordered Satsuma Domain to carry out difficult flood control works in Mino Province near its border with Owari Province in the Chūbu region of Japan during the Hōreki era. Rivers subject to frequent flooding in this area included the Kiso River, Nagara River and Ibi River near Nagoya.
Source: Wikipedia — 1754 Hōreki River incident (CC BY-SA 4.0)