- 
  
  How Chi Minh declares and independent Vietnam called the Democratic Republic of Vietnam
- 
  
  The United States pledges $15 million worth of military aid to France to help them fight in Vietnam.
- 
  
  The French are defeated at the Battle of Dien Bien Phu
- 
  
  The Geneva Accords declares a cease-fire for the withdrawal of
 the French from Vietnam and creates a temporary boundary between North and South Vietnam at the 17th parallel.
- 
  
  South Vietnam declares itself the Republic of Vietnam
 (GVN).
- 
  
  The National Liberation Front (NLF), a.k.a. the Viet Cong,
 is established in South Vietnam
- 
  
  During a coup, South Vietnamese President Ngo Dinh
 Diem is executed.
- 
  
  August 2 & 4 North Vietnamese attack two U.S. destroyers in
 international waters, which becomes known as the Gulf of Tonkin Incident.
- 
  
  The U.S. Congress passes the Gulf of Tonkin Resolution.
- 
  
  The U.S. begins bombing campaign of North Vietnam -
 Operation Rolling Thunder
- 
  
  The first U.S. combat troops arrive in Vietnam.