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The Tri-State Tornado, which struck on March 18, 1925, holds the grim distinction of being the deadliest tornado in U.S. history. This catastrophic storm traversed three states—Missouri, Illinois, and Indiana—over a span of just a few hours, leaving a devastating path of destruction that stretched more than 200 miles. The tornado killed 695 people and injured over 2,000, highlighting the vulnerabilities of communities at the time, particularly their lack of preparedness and warning systems.
As the tornado began its rampage in southeastern Missouri, it quickly intensified, reaching a maximum estimated wind speed of 300 miles per hour. This remarkable velocity contributed to its unprecedented destruction. The tornado tore through towns such as De Soto, Missouri, and later crossed into Illinois, obliterating entire communities, including the town of Murphysboro. As it continued into Indiana, the tornado left a trail of shattered buildings, uprooted trees, and displaced families.