The post-World War I era refers to the period after World War I ended in 1918 until the beginning of World War II in 1939. It was marked by efforts to rebuild nations devastated by war and address issues arising from the peace treaties.
Related terms
Treaty of Versailles: The peace treaty signed after World War I that placed full blame on Germany, imposed reparations payments, reduced its military capabilities, and redrew national boundaries.
Roaring Twenties: A term used to describe the decade following World War I, characterized by economic prosperity, cultural changes, and social experimentation in the United States.
Red Scare: A period of intense anti-communist hysteria in the United States during the early 1920s, fueled by fears of a communist revolution following the Russian Revolution.