Great Mississippi Flood of 1927
Overview
 
The Great Mississippi Flood of 1927 was the most destructive river flood in the history of the United States
History of the United States
The history of the United States traditionally starts with the Declaration of Independence in the year 1776, although its territory was inhabited by Native Americans since prehistoric times and then by European colonists who followed the voyages of Christopher Columbus starting in 1492. The...

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The flood began when heavy rains pounded the central basin of the Mississippi in the summer of 1926. By September, the Mississippi's tributaries in Kansas and Iowa were swollen to capacity. On Christmas Day of 1926, the Cumberland River
Cumberland River
The Cumberland River is a waterway in the Southern United States. It is long. It starts in Harlan County in far southeastern Kentucky between Pine and Cumberland mountains, flows through southern Kentucky, crosses into northern Tennessee, and then curves back up into western Kentucky before...

 at Nashville topped levees at 56.2 feet (17 m), a level that remains a record to this day, even exceeding the devastating 2010 floods
2010 Tennessee floods
The May 2010 Tennessee floods were 1000-year floods in Middle Tennessee, West Tennessee, south-central and western Kentucky and northern Mississippi as the result of torrential rains on May 1 and 2, 2010...

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Flooding overtook the levees causing the Mounds Landing to break with more than double the water volume of Niagara Falls.
 
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