1970s

My Lai Massacre

Mar 17, 1970

The United States Army charges 14 officers with suppressing information related to the incident

26th Amendment: Right to Vote

Jul 6, 1971

Right to vote: The 26th Amendment to the United States Constitution, formally certified by President Richard Nixon, lowers the voting age from 21 to 18.

Watergate Scandal

Jun 17, 1972

Watergate scandal: Five White House operatives are arrested for burglarizing the offices of the Democratic National Committee.

Sears Tower

May 3, 1973

The Sears Tower in Chicago is finished, becoming the world's tallest building.