Moments in Time

The History Channel

* On March 21, 1952, the first rock and roll concert in history is held in Cleveland, hosted by legendary disk jockey Alan Freed. Police were overwhelmed when an estimated 20,000-25,000 fans swarmed the Moondog Coronation Ball, held in an arena with a capacity of only 10,000.

* On March 24, 1965, the first “teach-in” is conducted at the University of Michigan as 200 faculty members hold special anti-war seminars. This form of protest spread to many colleges and universities.

* On March 22, 1983, the Pentagon awards a contract worth more than $1 billion to AM General Corp. to produce 55,000 High Mobility Multipurpose Wheeled Vehicles. Nicknamed the Humvee, the rugged vehicles were used by the U.S. military. In 1992, a civilian version, the Hummer, went on sale.

* On March 23, 1994, Wayne Gretzky scores his 802nd goal, breaking his childhood idol Gordie Howe’s NHL record for most goals in a career.