Twentieth Century

Definition

The twentieth century refers to the time period between January 1st, 1900 and December 31st, 1999. It is known for significant global events such as World Wars I and II, decolonization movements, technological advancements, and major social changes.

Related terms

Cold War: The Cold War was a geopolitical tension between the United States and Soviet Union that lasted from roughly 1947 to 1991 without direct military confrontation.

Space Race: The Space Race was a competition between the United States and Soviet Union during the mid-twentieth century to achieve milestones in space exploration.

Decolonization: Decolonization refers to the process by which colonies gained independence from their colonial powers during the twentieth century.