March 18th, 1925 - the day of the deadliest and most devastating storm in all of United States history, known as the Great ...
The Tri-State Tornado hit on March 18, 1925, killing 695 people and marking a path of destruction for 219 miles.
Decades before radar and tornado warnings, this is still widely considered the nation's single worst tornado event.
The longest path any one tornado has ever carved out holds the record for more than 76 years. On March 18, 1925, the great "Tri-State Tornado" swept across Missouri, Illinois and Indiana.