Today in History: March 31, LBJ announces he won’t run for reelection

Today in History: March 30, Reagan shot in assassination attempt

Today in History: March 29, ‘Terra-cotta Army’ discovered in China

Today in History: March 28, Three Mile Island nuclear plant accident

America 250: From quill pens to AI, how the US records its history

Today in History: March 27, Will Smith slaps Chris Rock during Oscars telecast