June 22, 1969 - 75th Anniversary Ohio

The Cuyuhoga River in Ohio catches fire.
The Cuyahoga River in Cleveland, Ohio burns in 1969. Public outcry over this incident went a long way to convincing Congress to pass the CWA.

The Cuyahoga River outside of Cleveland, Ohio catches fire, sparking water pollution control activities. This was the 13th time the river had caught fire since 1868.