Dnieper dam blown up
Located in the city of Zaporizhzhia, Ukraine, Dnieper Hydroelectric Station, also known as Dnipro Dam, is the largest hydroelectric power station on the Dnieper river. During Germany's invasion of the Soviet Union, it was dynamited by retreating Red Army troops, leading to a flooding surge that killed 20,000 to over 100,000 civilians.
1912 China typhoon
The 1912 China Typhoon devastated the coast of China on August 29, 1912. It formed in the Philippine Sea, before making its way to the China. The typhoon brought strong winds and substantial amounts of rain. Heavy flooding along rivers were reported in Zhejiang, resulting in 50,000-220,000 fatalities. It is one of the deadliest recorded typhoons in history.
Quebec Bridge first collapse (1907)
The Quebec Bridge is a road, rail, and pedestrian bridge across the lower Saint Lawrence River between Sainte-Foy and Lévis, in Quebec, Canada. The project failed twice during its construction, in 1907 and 1916, at the cost of 88 lives and additional people injured.
1741 eruption of Oshima-Oshima and the Kampo tsunami
The devastating eruption of Oshima-Oshima began on the 18th of August, 1741 and ended on May 1 the next year. Eleven days into the eruption, the Kampo tsunami with estimated maximum heights of over 90 meters swept across neighboring islands in Japan and the Korean Peninsula.