Women and soldiers dancing at a farewell ceremony for International Brigade, near Barcelona, Spain

[Loyalist pilots eating, drinking and resting near their airplane, Spain]

[Peasants and workers on horses, in countryside, giving the Loyalist salute, Spain]

[Volunteer members of International Brigade sitting in a large barrel against a tree, a gun outside, Spain]

The Spanish civil war was the first conflict where urban civilian populations were targeted from the air, creating the need for air raid shelters. Island of Minorca

[Two men holding the heads of Roman Catholic religious statuary, Spain]

[Soldiers before battle attending an outdoor mass, Berriatua, Basque Country, Spain]

Spanish refugees crossing the French border at Le Perthus