Spanish Maquis of guerrilla activity, 20,000 people were arrested for collaborating with the maquis. Spanish Maquis The Spanish Maquis were Spanish guerrillas exiled in France after the Spanish Civil War who continued to fight against the Spanish State until the early 1960s, carrying out sabotage, robberies (to help fund guerrilla activity), occupations of the Spanish Embassy in France and assassinations of Francoists, as well as contributing to the fight against Nazi Germany and the Vichy regime in France during World War II. Referring to the contribution of the Spanish Maquis to the French resistance movement, Martha Gellhorn wrote in "The Undefeated" (1945):
German military administration in occupied France during World War II where significant military operations were conducted included the maquis du Vercors, the maquis du Limousin, the maquis des Glières, the maquis du Mont Mouchet, and the maquis de Saint-Marcel. Major round-up operations included the battle of Marseille and the Vel' d'Hiv Roundup. Although the majority of the French population did not take part in active resistance, many resisted passively through acts such as listening to the banned BBC's "Radio Londres", or giving collateral or material aid to Resistance members. Others assisted in the escape of downed US or British airmen who eventually found their way back to Britain, often through