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https://en.wikipedia.org/wiki/June_22
1969 – The Cuyahoga River catches fire in Cleveland, Ohio, drawing national attention to water pollution, and spurring the passing of the Clean Water Act and the creation of the Environmental Protection Agency.
https://en.wikipedia.org/wiki/Cuyahoga_River
The Cuyahoga River[7] (/ˌkaɪ.əˈhɒɡə/ KY-ə-HOG-ə, or /ˌkaɪ.əˈhoʊɡə/ KY-ə-HOH-gə[8][9][10][11]) is a river in the United States, located in Northeast Ohio, that feeds into Lake Erie. The river is famous for having been so polluted that it "caught fire" at least 13 times, most famously on June 22, 1969, helping to spur the environmental movement in the US.
Map of the Cuyahoga River drainage basin
https://en.wikipedia.org/wiki/Clean_Water_Act