1840: A powerful tornado wrecked many boats at the Natchez Landing in Mississippi then plowed through the city on the bluff. The tornado killed 317 people and injured 109 others. The storm is currently the second deadliest tornado on record. The actual death toll could be higher as slaves were not counted.
1993: Serious flooding occurred in central Oklahoma following torrential rain and hail on this date through the 8th. Rainfall amounts on this date were generally around one inch. Oklahoma City, OK then recorded 6.64 inches of rain on the 8th, the third greatest daily rainfall amount ever observed in the city. Extensive flooding resulted, which killed four people, and the fire department had to rescue 183 others. More than 2,000 homes and businesses were damaged or destroyed.