The Great Tri State Tornado was a tornado that hit in the US. This tornado hit March 18 1925. This is the most deadly tornado in history out of outbreak of at least 12 known of big tornado spread across a portion of land. The tornado went 151 to 235 miles crossed the land. the tornado  damaged nine towns and numerous small villages.  the track of the tornado was lost to 89 years of vegetation and development done by humans.

The tornado went through Illinois Missouri and Indiana. Parrish was destroyed by 90% the most deaths where in Murphysboro. 37 death and 100% destroyed in Gorham. Griffin was 100% destroyed along with Biehle. Annapolis was 90% destroyed. west Frankfort had 20% destroyed.

 
 http://en.wikipedia.org/wiki/Tri-State_Tornado
http://www.ustornadoes.com/2014/03/18/the-tri-state-tornado-of-1925/