On this day in 1969, the Cuyahoga River, downstream from the industrial cities of Akron, Kent and Cleveland Ohio, caught on fire—the latest in a series of at least a dozen major conflagrations of the polluted tributary of Lake Erie—captured the attention of reporters at TIME magazine and the issue made the cover of the June edition. The public outrage that followed helped endorse a tranche of pollution-control measures and eventually led to the creation of a federal and state Environmental Protection Agency by early December of the following year.