Antonine Plague (smallpox or measles) 165-190 vs 1954 Yangtze River Flood

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From June to September 1954, the Yangtze River Floods were a series of catastrophic floodings that occurred mostly in Hubei Province. Due to unusually high volume of precipitation as well as an extraordinarily long rainy season in the middle stretch of the Yangtze River late in the spring of 1954, the river started to rise above its usual level in around late June. Despite efforts to open three important flood gates to alleviate the rising water by diverting it, the flood level continued to rise until it hit the historic high of 44.67 m (146.6 ft) in Jingzhou, Hubei and 29.73 m (97.5 ft) in Wuhan. The number of dead from this flood was estimated at around 33,000, including those who died of plague in the aftermath of the disaster.