Post-WWII refers to the period immediately following World War II, usually understood as starting around 1945 and lasting until the early 1990s. It was characterized by significant political, economic, and social changes worldwide.
Related terms
Marshall Plan: A program initiated by the United States after WWII aimed at providing financial aid for European countries in order to help them recover economically.
Decolonization: The process through which colonies gained independence from their colonial rulers after WWII.
Cold War: A period of geopolitical tension between the United States-led Western Bloc and the Soviet Union-led Eastern Bloc without direct military conflict between them.