- 
  
  John F. Kennedy becomes the youngest man ever to elected president of the United States.
- 
  
  On April 17, the Cuban-exile invasion force, known as Brigade 2506, landed at beaches along the Bay of Pigs and immediately came under heavy fire.
- 
  
  The Cuban Missile Crisis begins bringing the United States and the Soviet Union to the brink of nuclear conflict.
- 
  
  President John F. Kennedy was assassinated as he rode in a motorcade through Dealey Plaza in downtown Dallas, Texas.
- 
  
  The Beatles played their first U.S concert at the Washington Coliseum.
- 
  
  The United States Congress overwhelming approves the Gulf of Tonkin Resolution, giving President Lyndon B. Johnson nearly unlimited powers to oppose “communist aggression” in Southeast Asia.
- 
  
  President Richard Nixon takes a dramatic first step toward normalizing relations with the communist People’s Republic of China by traveling to Beijing for a week of talks.
-