Today is Thursday, April 1, the 91st day of 2010. There are 274 days left in the year. This is April Fools' Day.

On this date:

In 1960, the first true weather satellite, TIROS-1, was launched from Cape Canaveral. (TIROS stood for "Television Infrared Observation Satellite.")

In 1984, recording star Marvin Gaye was shot to death by his father, Marvin Gay (cq) Sr. in Los Angeles, the day before his 45th birthday.