government. The First National Assembly (1946–1960) After a series of events which was later called collectively the "August Revolution", Viet Minh seized the power all over the country, and the Democratic Republic of Vietnam (Việt Nam dân chủ cộng hoà) was declared by Hồ Chí Minh in Hanoi on September 2, 1945. On January 6, 1946, the first general election ever in Vietnam was held all over the country in which all people 18 years old or older were eligible to vote. The first session of the First National Assembly (Quốc hội khoá I) took place on March 2, 1946 with nearly 300 deputies in the Hanoi Opera House. Nguyễn Văn Tố was appointed as the Chairman of the National Assembly's Standing Committee. The First National Assembly approved Hồ Chí Minh as the head of government and his cabinet, and the former Emperor Bảo Đại as "the Supreme Advisor". The second session, Bùi Bằng Đoàn was appointed to be the Chairman of the National Assembly's Standing Committee. Tôn Đức Thắng was Acting Chairman from 1948, and from 1955, when Đoàn died, he was Chairman of the Standing Committee. The first and second Constitutions of the Democratic Republic of Vietnam were passed by this National Assembly in 1946 and 1960, respectively. The term of the First National Assembly was prolonged (14 years) due to the war situation in Vietnam, particularly the partition of Vietnam according to the Geneva Accords of 1954. From 1954 to 1976, the National Assembly's activities were only effective in North Vietnam. Divided Vietnam (1954-1976) North Vietnam The Second National Assembly (1960–1964) Due to the partition of Vietnam and the declaration of the Republic of Vietnam in the South, a nationwide general election could not be organized. The Second National Assembly was formed by 362 elected deputies of the North and 91 deputies of the South from the First National Assembly who continued their term. Trường Chinh was appointed as the Chairman of the National Assembly's Standing Committee and held this position until 1981. The Third National Assembly (1964–1971) The Third National Assembly consisted of 366 elected deputies from the North and 87 deputies continuing their term. The Third National Assembly's term was prolonged due to the war situation. President Hồ Chí Minh died during the Third National Assembly's term, and was succeeded by Tôn Đức Thắng. The Fourth National Assembly (1971–1975) Four hundred and twenty deputies were