On this day — April 15

Indiana, killing nine and injuring seven.

more than 400 civilians are gunned down after seeking refuge in houses of worship as well as hospitals.

Massachusetts, killing three people and injuring over 500 others.

South Korea, killing 129 people.

A human crush occurs at Hillsborough Stadium, home of Sheffield Wednesday, in the FA Cup Semi-final, resulting in the deaths of 97 Liverpool fans.

the Tiananmen Square protests of 1989 begin in China.

its bombing raids against Libyan targets in response to a discotheque bombing in West Germany that killed two U.S. servicemen.

massacre of the Vietnamese minority results in 800 bodies flowing down the Mekong river into South Vietnam.

North Korea shoots down a United States Navy aircraft over the Sea of Japan, killing all 31 on board.

North Carolina, Ella Baker leads a conference that results in the creation of the Student Nonviolent Coordinating Committee, one of the principal organizations of the civil rights movement in the 1960s.

in Des Plaines, Illinois.