events
The Johnstown flood of 1977 kills 84 people and causes millions of dollars in damages.
Related Wikipedia articles
Johnstown flood of 1977
Natural disaster in Pennsylvania
The Johnstown flood of 1977 was a major flood which began on the night of July 19, 1977, when heavy rainfall caused widespread flash flooding in Cambria County, Pennsylvania, United States, including the city of Johnstown and the Conemaugh Valley.Source: Wikipedia (CC BY-SA)