|Hungtze Hu, Hung-tse Hu|
|Primary inflows||Huai River|
Hongze Lake (simplified Chinese: 洪泽湖; traditional Chinese: 洪澤湖; pinyin: Hóngzé Hú) is in Jiangsu Province, China and is encompassed by the prefecture-level cities Suqian (Sihong County and Siyang County) and Huai'an (Xuyi County and Hongze County).
A particularly large change happened in 1680, when the Yellow River changed its course and merged with the Huai River. Heavy sediment from the Yellow River blocked the Huai River; the diverted water created Hongze Lake as we know it today. The city of Sizhou was completely submerged, as was the nearby Ming Ancestors Mausoleum. The latter was rediscovered only in the 1960s.
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