Volunteer military units and formations

thumb|Two soldiers of an Habsburg monarchy|Austrian Freikorps ([[David Morier, 1748)]] '''' (, "Free Corps" or "Volunteer Corps") were irregular German and other European paramilitary volunteer units that existed from the 18th to the early 20th centuries. They effectively served as mercenaries or private military companies, regardless of their own nationality. In German-speaking countries, the first so-called ("free regiments", Freie Regimenter) were formed in the 18th century from native volunteers, enemy renegades, and deserters. These sometimes exotically equipped units served as infantry a

volunteer military during the Russian Civil War

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