The Battle of Điện Biên Phủ was a climactic confrontation of the First Indochina War that took place between 13 March and 7 May 1954. It was fought between the French Union's colonial Far East Expeditionary Corps and Viet Minh communist revolutionaries. The United States was officially not a party to the war, but it was secretly involved by providing financial and material aid to the French Union, which included CIA-contracted American personnel participating in the battle. The People's Republic of China and the Soviet Union similarly provided vital support to the Viet Minh, including most of their artillery and ammunition.
The Army of the Republic of Vietnam composed the ground forces of the South Vietnamese military from its inception in 1955 to the Fall of Saigon in April 1975. At the ARVN's peak, an estimated 1 in 9 citizens of South Vietnam were enlisted, composed of Regular Forces and the more voluntary Regional Forces and the Popular Force militias. It is estimated to have suffered 1,394,000 casualties during the Vietnam War.
The First Indochina War was fought between France and Việt Minh, and their respective allies, from 19 December 1946 until 20 July 1954. Việt Minh was led by Võ Nguyên Giáp and Hồ Chí Minh. Most of the fighting took place in Tonkin in Northern Vietnam, although the conflict engulfed the entire country and also extended into the neighboring French Indochina protectorates of Laos and Cambodia.
Henri Eugène Navarre was a French Army general. He fought during World War I, World War II and was the seventh and final commander of French Far East Expeditionary Corps during the First Indochina War. Navarre was in overall command during the French defeat at the Battle of Điện Biên Phủ.
Operation Lorraine was a French military operation of the First Indochina War.
The Battle of Mang Yang Pass was one of the last battles of the First Indochina War which took place on 24 June 1954. The battle was one of the bloodiest defeats of the French Union forces, along with the battle of Dien Bien Phu shortly beforehand.
The Battle of Hòa Bình was fought during the First Indochina War. It occurred from 10 November 1951 to 25 February 1952, when French Union forces attempted to lure the Việt Minh out into the open and to force it to fight on French terms.
The Battle of Nà Sản was fought between French Union forces and the Nationalist forces of the Việt Minh at Nà Sản, Sơn La Province, during the First Indochina War for control of the T’ai region.
The Vietnamese National Army was the State of Vietnam's military force created shortly after the Élysée Accords, where the State of Vietnam was recognized by France as an independent country ruled by Vietnamese Emperor Bảo Đại. It was commanded by Vietnamese General Hinh and was loyal to Bảo Đại. The VNA fought in joint operations with the French Union's French Far East Expeditionary Corps (CEFEO) against the communist Việt Minh forces led by Ho Chi Minh. Different units within the VNA fought in a wide range of campaigns including the Battle of Nà Sản (1952), Operation Hautes Alpes (1953), Operation Atlas (1953) and the Battle of Dien Bien Phu (1954).
Operation Camargue was one of the largest operations by the French Far East Expeditionary Corps and Vietnamese National Army in the First Indochina War. It took place from 28 July until 10 August 1953. French armored platoons, airborne units and troops delivered by landing craft to the coast of central Annam, modern-day Vietnam, attempted to sweep forces of the communist Viet Minh from the critical Route 1.
The 1st Foreign Parachute Regiment was an airborne regiment of the Foreign Legion in the French Army which dated its origins to 1948. The regiment fought in the First Indochina War as the three-time reconstituted 1st Foreign Parachute Battalion, the Suez Crisis and Algerian War, but was dissolved along with the 10th Parachute Division and 25th Parachute Division following the generals' putsch against part of the French government in 1961.
Operation Mouette was an operation in 1953 by the French Army in Northern Vietnam during the First Indochina War. It was launched on October 15 in an attempt to locate and destroy Viet-Minh Chu Luc troops operating under the command of Võ Nguyên Giáp around the area of Phu Nho Quan, south of the Red River Delta. Following the establishment of a French camp in the area, various troops were dispatched to engage the Viet-Minh forces. The operation was ended and the French withdrew by November 7, claiming approximately 1,000 enemy combatants killed, twice as many wounded, and 181 captured as well as a substantial quantity of weapons and ammunition.
The 308th Infantry Division is a division of the People's Army of Vietnam (PAVN), first formed in August 1950 in southern China from the previous Regimental Group 308.
Phạm Văn Đổng was a South Vietnamese general. A staunch nationalist and anti-communist, he was considered an ally to several Việt Nam Quốc Dân Đảng factions, multiple Đại Việt groups, Việt Nam Cách Mạng Đồng Minh Hội high-ranking members, Duy Dân and Hòa Hảo leaders.
The 320th Division or Đồng Bằng Division is a formation and one of the six original "Steel and Iron Divisions" of the People's Army of Vietnam (PAVN). It was established in January 1951.
The 316th Division or Bông Lau Division was a division of the People's Army of Vietnam (PAVN). One of the 6 original "Steel and Iron Divisions", it was created in 1951 and consisted of some 10,000 to 15,000 men.
The 351st Artillery-Engineer Division or 351st Heavy Division was the first artillery and engineering division and one of the six original "Steel and Iron Divisions" of the Viet Minh. Formed on 27 May 1951 with assistance from the People's Republic of China, it initially consisted of three regiments: 675th Artillery Regiment, 45th Artillery Regiment, and 151st Military Engineer Regiment.
The 325th Infantry Division is a division of the People's Army of Vietnam (PAVN), first formed in March 1951 from independent units in Thừa Thiên, it is likely that it only became fully operational in mid-1952. It was one of the 6 original "Iron and Steel" Divisions of the Viet Minh.
The Battle of Nghĩa Lộ was a battle of the First Indochina War. In the fall of 1952 the French army encountered its most serious crisis since the disasters near the Chinese border at Cao Bằng, Đông Khê and RC 4 occurred in 1949 and 1950. The Battle of Nghĩa Lộ was the opening salvo in a series of offenses and counter-offenses in late 1952 during the First Indochina War. It was part of a Việt Minh offensive in the T’ai region of Tonkin in the vicinity of the Black River. The French countered with Operation Lorraine to attack Việt Minh rear supply bases in an attempt to cut off the offensive. The Việt Minh did not cease or divert the offensive to protect its supply bases. The Việt Minh continued its offensive attack against Nà Sản where there was an outpost and a short airstrip, both guarded by the French army. This series of battles lasted for three months between October 1952 and December 1952. These actions and the Việt Minh successes set the stage for the subsequent Invasion of Laos in April 1953.
Operation Pollux was a military operation during the First Indochina War by the French forces in northwest Vietnam in November and December 1953 was one of a twin operation, the other being Operation Castor. The names of these operations are based upon the mythological twins, Castor and Pollux. Operation Castor recaptured and then established a fortified airfield in Điện Biên Phu, in the north-west corner of Vietnam. Operation Pollux was the name of the second operation, which took place weeks later. These operations were developed by General Navarre who had replaced General Salan as Commander in Chief in early 1953 after the Viet Minh had conducted their successful offensive in the Black River area of northwest Vietnam and then subsequently invaded Laos in April 1953.
French Union 
Việt Minh 