would become Vietnam today. Tây Sơn period Future Emperor Quang Trung, along with Nguyễn Nhạc and Nguyễn Lữ, had successfully united all Vietnam after a century being divided between the Trịnh Lords and Nguyễn Lords. Following with it, the Vietnamese also successfully crushed the Siamese at the Battle of Rạch Gầm-Xoài Mút and decisively, the Battle of Ngọc Hồi-Đống Đa against Qing force. Thus, this had been also registered as Vietnamese military victories. Nguyễn period French invasion of Indochina Japanese invasion of French Indochina The Japanese invasion of French Indochina was a successful Japanese campaign against the French colonial power in Southeast Asia. The invasion was a part of a greater strategy which was meant to surround and isolate China. Following the fall of the French in Indochina, Việt Minh began its campaign against the Japanese occupiers, using guerrilla tactics. The conflict ended when Japan surrendered to the United States, following the bombing of Hiroshima and Nagasaki. Socialist period First Indochina War Following the allied victory in World War II, France was hoping to regain control over its former colony in Indochina, which was also claimed by the Viet Minh. France attempted to invade and reoccupy Vietnam, but after nine years of war and the subsequent military defeat in The Battle of Dien Bien Phu, the French gave up and retreated from Indochina. This resulted in Indochina being divided into four countries under the terms of the 1954 Geneva Accords: North Vietnam, South Vietnam, Laos and Kampuchea. Laotian Civil War The Laotian Civil War began in 1953 when war escalated between the government forces and Pathet Lao, which received support from North Vietnam and China. In addition to their desire to support the communist movement in Laos, Vietnam also wanted to control the strategically important areas in Laos. The conflict ended in 1975, when Pathet Lao seized power in Laos, ending the Kingdom of Laos. North Vietnamese invasion of Laos The North Vietnamese invasion of Laos begun in 1958 as a mixed result of boundary disputes and the Hanoi Regime's desire to control the Ho Chi Minh-path. The invasion was a success, and North Vietnam secured control over important parts of Laos. Vietnam War The Vietnam War started with the breach of the intended general election to unite the country by South Vietnam and the Việt Cộng initiation of a guerrilla war in the south. This led to an American