Treaty1945 CE – 1945 CEAmericas, Europe, Asia, Africa

UN Charter

The founding document of the United Nations, signed by 50 nations in San Francisco after WWII to maintain international peace, develop friendly relations among nations, and promote human rights.

Key Figures

Franklin D. Roosevelt Winston Churchill Josef Stalin Harry Truman

Preceding Causes

The catastrophic failure of the League of Nations and the devastation of WWII created political will to build a stronger international organization.

War1939 CE

World War II

The deadliest conflict in human history, killing an estimated 70–85 million people. The war included the Holocaust — the genocide of 6 million Jews and millions of others — and ended in the Pacific theater with the atomic bombings of Hiroshima and Nagasaki.

Cause-Effect Graph

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