Berry Gordy and entertainer and recording artist Sammy Davis, Jr., start Ecology record label.
Motown addresses the issues of the Vietnam War with the release of “Guess Who’s Coming Home, Black Fighting Men Recorded Live in Vietnam, on Black Forum label.
Edwin Starr releases “War”, written by Norman Whitfield and Barrett Strong.
Motown sign rock act Stoney and Meatloaf on the Rare Earth label.
Simon and Garfunkel record “Bridge Over Troubled Waters.”
Angela Davis arrested in connection with courtroom shoot-out in San Raphael, California (acquitted in 1972).
Earth Day first observed April 21.
National Guard kills four students at an antiwar protest at Kent State University, Akron, Ohio.
Ford Pinto is introduced and American Motors Corporation introduces the Gremlin.
Beatles group disbands.
North Tower of World Trade Center topped out at 1,368 feet, making it the tallest building in the world.