The Spanish Civil War was fought from 17 July 1936 to 1 April 1939 between the Republicans, who were loyal to the democratically elected Spanish Republic, and the Nationalists, a rebel group led by General Francisco Franco. The Nationalists prevailed, and Franco ruled Spain for the next 36 years, from 1939 until his death in 1975. The Nationalists advanced from their strongholds in the south and west, capturing most of Spain's northern coastline in 1937. They also besieged Madrid and the area to its south and west for much of the war. Capturing large parts of Catalonia in 1938 and 1939, the war ended with the victory of the Nationalists and the exile of thousands of leftist Spaniards, many of whom fled to refugee camps in southern France. The Confederación Nacional del Trabajo (CNT; National Confederation of Labour) is a Spanish confederation of anarcho-syndicalist labour unions affiliated with the International Workers Association (IWA; Spanish: AIT - Asociación Internacional de los T