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My Lai Massacre
The United States Army charges 14 officers with suppressing information related to the incident -
26th Amendment: Right to Vote
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
Watergate scandal: Five White House operatives are arrested for burglarizing the offices of the Democratic National Committee. -
Sears Tower
The Sears Tower in Chicago is finished, becoming the world's tallest building.