First Indochina War on July 21, 1954, recognized the 17th parallel north as a "provisional military demarcation line", temporarily dividing the country into two zones, communist North Vietnam and pro-Western South Vietnam. Negotiations between France and the Việt Minh started in Geneva in April 1954 at the Geneva Conference, during which time the French Union and the Việt Minh were fighting a battle at Điện Biên Phủ. In France, Pierre Mendès France, opponent of the war since 1950, had been invested as Prime Minister on June 17, 1954, on a promise to put an end to the war, reaching a ceasefire in four
Geneva Agreement (1966) part to the treaty, has no participation in the comission) which within a period of 4 years would have to decide what could be the solution to the borderline problem, once this period has expires, the Protocol of Port Spain between Guyana, the United Kingdom, and Venezuela was signed in 1970 for which it was frozen, for a term of 12 years, part of the Geneva Agreement. In 1982, Venezuela decided not to ratify the Protocol of Port Spain and returned to what was established in the agreement. In 1983, Venezuela proposed direct negotiation with Guyana but Guyana does not