Foreign interventions by China the Chinese claimed that U.S. bombers had violated PRC national airspace on three separate occasions and attacked Chinese targets before China intervened. In 1950, China extended diplomatic recognition to the Viet Minh's Democratic Republic of Vietnam and sent heavy weapons, as well as military advisers led by Luo Guibo to assist the Viet Minh in its war with the French (1946-1954). The first draft of the 1954 Geneva Accords was negotiated by French prime minister Pierre Mendès France and Chinese Premier Zhou Enlai who, seeing U.S. intervention coming, urged the Viet Minh to accept a partition at the 17th parallel.
49th parallel north the 1846 Oregon Treaty. This agreement divided the Oregon Country between British North America and the United States by extending the 49th parallel boundary to the west coast, ending in the Strait of Georgia; it then circumvents Vancouver Island through Boundary Pass, Haro Strait, and the Strait of Juan de Fuca. This had the side effect of isolating Point Roberts, Washington. Although parts of Vancouver Island and parts of Eastern Canada are south of the 49th parallel, and parts of the United States (Alaska, Northwest Angle) are north of it, the term "49th parallel" is sometimes used metonymically to refer