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1961
1962
- Agent Orange Introduced
- US Crewed Helicopters Deployed to Vietnam
- Laos Agreement
- US Helicopters Ordered to Shoot First
1963
- South Vietnamese Fire on Buddist Temples
- Buddist Monk Sets Himself on Fire
- Buddist Temples Attacked Throughout the South Vietnam
- Diem Overthrown
- 1963 Summary
1964
1965
- South Vietnmase Army Defeated at Binh Gia
- Buddist Demonstrate Against Huong
- US Bases Attacked
- Rolling Thunder Launcher
- First US Combat Troops Arrive
- First Campus Sit-In
- First MIG Intercepted
- Marine Reinforcements Sent to Vietnam
- US Suspends Air Raids
- Australian Troops Arrive in North Vietnam
- U.S. Combat Troops Officially in Combat
- First B-52 Raids
- First US Offensive
- First Medal of Honor Winner in War
- First SAM Attack on US Plane
- US Troops Strength Increased by 125,000
- Operation Starlite
- US Attacks in Central Highlands
- 115 Targets Hit in North Vietnam
- Bombing Halt
1966
- Operation Masher
- U. S. Base Wiped Out
- First B52 Raids on North Vietnam
- First US Attacks Near Hanoi
- Operation Hastings
- Heaviest Air Raids of the War
- Record Number of US Planes Downed
1967
- Operation Cedar Falls
- Operation Junction City
- First Bombing of Haiphong
- Massive Anti War Demonstrations
- US Victory Near KheSan
- US Base Camp and Conthein Attacked
- Conthein Attacked
- Operation Kingfisher
- Fire on the Forrestall
- Battle of Queson Valley
- Viet Cong Repelled at Locninh
- Bloody Battle Near Dak To
1968
- Battle of Khe San
- Tet Offensive
- Westmoreland Demands More Troops
- MyLai Massacre
- Johnson Will Not Run
- Second Communist Offensive
- B–52 Bombing Near Cambodian Border
1969
- Communist End Tet Ceasefire
- Secret Bombing of Cambodia
- Battle of Hamburger Hill
- 250,000 March on Washington
- Nixon Begins Withdrawal
1970
- Prince Sihanock Overthrown
- Invasion of Cambodia
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1971
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1972