- Racing driver Jim Clark wins the Indianapolis 500, and later wins the Formula One world driving championship in the same year.
- The Palm Sunday Tornado Outbreak: An estimated fifty-one tornadoes (forty-seven confirmed) hit in six Midwestern states killing anywhere from 256 to 271 people and injuring some 1,500 more.
- Lyndon B. Johnson announces increase the number of United States troops in South Vietnam from 75,000 to 125,000
- Lyndon B. Johnson announces his program to create Medicare and to expand his war on poverty
history
September 20, 2007 by Crystal S.