The deadliest tornado in recorded U.S. history occurred 100 years ago. The Tri-State Tornado touched down in southeastern Missouri on March 18, 1925.

Tuesday will mark a somber anniversary, as it will be 100 years since the deadliest tornado in the country’s history hit Illinois.

At least 19 people have died as an outbreak of tornadoes ravished through the South and Midwest early Saturday morning, leaving a path of destruction in their wake.

Violent tornadoes ripped through parts of the U.S., wiping out schools and toppling semitractor-trailers in several states.

The heaviest fatalities so far were in Missouri, which was lashed by twisters overnight The threat of violent tornadoes in parts of the US proved deadly as well as destructive as whipping winds moved east into the Mississippi Valley and Deep South on Saturday,

More than 20 twisters reportedly struck the states of Missouri, Arkansas, Illinois and Mississippi. "Today there is a high risk for more tornadoes across Alabama and Mississippi. Tornadoes also hit Illinois,