On This Day in History / July 11, 2023 1993: Through 1 August, after one of the worst floods in American history covered 16,000 square miles in eight midwestern states near the Mississippi and Missouri Rivers, 20 C-5 and C-141 missions airlifted 800 tons of relief equipment, supplies, sandbags, and water purification systems to the area. (US Army photo of the Missouri River’s damage to US Highway 63, Jefferson City, Missouri, near the Missouri Capitol building during the “Great Flood of 1993”. Such scenes were repeated over a wide section of the central United States.)