Europe interwar period 1918-1939. The interwar period (1918–1939) is understood, within recent Western culture, to be the period between the end of the First World War and the beginning of the Second World War. This is also called the period between the wars or interbellum.
Source: E. Lendl und W. Wagner

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Albania, Europe	Andorra, Europe	Austria, Europe
Belgium, Europe	Germany, Europe	Spain, Europe