1967 in the Vietnam War

January

 * January 6, 1967

Operation Deckhouse Five was conducted by the United States Marine Corps and South Vietnamese Marine Corps forces along the Mekong River Delta, as part of the Vietnam War. The operation was notable in that it was a sizable, combined U.S. Marine and Vietnamese Marine amphibious operation and it was the last Special Landing Force (SLF) amphibious landing to take place beyond the boundaries of I Corps. The operation occurred January 6–15, 1967.


 * January 8, 1967

Operation Cedar Falls was a military operation conducted primarily by US forces. The aim of this massive search and destroy operation was to eradicate the so-called "Iron Triangle", an area located in close proximity to Saigon which had become a major stronghold of the communist National Liberation Front (NLF) or Viet Cong. The operation began on January 8, 1967 and ended on January 28, 1967.

February

 * February 14, 1967

The Battle of Tra Binh Dong was probably the most famous battle fought by the South Korean Marines. It was fought in the Tra Binh Dong village near the border of Cambodia.


 * February 17, 1967

Operation Bribie, or the Battle of Ap My An, was fought during the Vietnam War in Phuoc Tuy province between Australian forces from the 6th Battalion, Royal Australian Regiment (6RAR) and the Viet Cong, reinforced by North Vietnamese regulars.


 * February 22, 1967

Operation Junction City was an 82-day military operation conducted by United States and Republic of Vietnam (RVN or South Vietnam) forces begun on 22 February 1967 lasting till May 14, 1967. It was the largest U.S. airborne operation since Operation Market Garden during World War II, the only major airborne operation of the Vietnam War, and one of the largest U.S. operations of the Southeast Asian conflict.

April
Operation Union was a military operation conducted by the United States Marine Corps. It was a search and destroy mission in the Que Son Valley carried out by the 1st Marine Regiment. The object of the operation was the 2nd Division of the People’s Army of Vietnam (PAVN, often in US sources "North Vietnamese Army" or NVA). Launched on April 21, 1967 the operation ended May 16.
 * April 21

From April - May 1967 the Battle of Hill 881 was a battle between the People's Army of Vietnam (PAVN or NVA) and United States Marines. Conducted in the I Corps Tactical Zone it became known as "the Hill Fights", involving Hill 881 North, Hill 881 South, and Hill 861.

May

 * May 11, 1967

Running from 11 May–July 1, 1967 Operation Malheur I and Operation Malheur II were a series of military actions conducted by the United States army subduing increased activity by National Liberation Front (NLF) forces in the northern part of South Vietnam.


 * May 25, 1967

Operation Union II was a search and destroy mission in the Que Son Valley carried out by the 5th Marine Regiment. Launched on May 25, 1967 the operation ended June 5.

July

 * July 2, 1967

Running from July 2 to July 14, 1967 Operation Buffalo was a major operation that took place in the southern half of the DMZ, northeast of Con Thien.


 * July 2, 1967

The Battle of July Two was a short engagement that took place along Route 561 between Gia Binh and An Kha, during Operation Buffalo. The North Vietnamese 90th Regiment was engaged with the American Marines.


 * July 9, 1967

Operation Hong Kil Dong was the largest South Korean operation of the Vietnam War to halt infiltration into friendly areas.

September
The Royal Thai Army Regiment starts its deployment in South Vietnam. Operation Swift was a search and destroy mission in the Que Son Valley carried out by the 1st Marine Division. Launched on September 4, 1967 the ensuing battles killed 114 Americans and an estimated 376 North Vietnamese. The operation ended September 15.
 * September 19
 * September 4, 1967

October

 * October 10, 1967

Operation Medina was a search and destroy operation conducted in the Hai Lang Forest Reserve of South Vietnam. It lasted till the 20th of October.

The Battle of Ong Thanh was a battle of the Vietnam War that saw the soldiers of the 2nd Battalion, 28th Infantry (the "Black Lions"), ambushed and subsequently decimated by a well-entrenched and prepared National Front for the Liberation of South Vietnam (NLF), or Viet Cong, regiment outnumbering the Americans almost 10-to-1.
 * October 17, 1967

The first battle of Loc Ninh was a conflict in the Vietnam War fought by the Vietcong and the CIDG, and ended when ARVN and US forces came to the camp.
 * Oct - Nov

November
The Battle of Đắk Tô was a series of major engagements of the Vietnam War that took place in Kontum Province, in the Central Highlands of the Republic of Vietnam (South Vietnam).
 * November 3–22, 1967


 * November 11, 1967

Operation Wheeler/Wallowa was an offensive on the part of the Americans, of which the My Lai Massacre by a platoon led by Lt William Calley was part.

December

 * December 6–20, 1967

The Battle of Tam Quan was a two week battle fought when the American 8th Cavalry and other units disrupted the 7th and 8th battalions of the 22nd NVA Regiment, which was in the process of preparing to conduct a major attack on ARVN installations at Tam Quan.