On June 10, 1963, President John F. Kennedy delivered the “Peace Speech,” his historic American University commencement address. It came just eight months after the world teetered on the brink of nuclear war during the Cuban Missile Crisis, and it is widely regarded as one of the most visionary American presidential speeches of the 20th century. It marked a new vision for world peace and led to the Partial Nuclear Test-Ban Treaty, prohibiting nuclear tests in the atmosphere, under water, and in outer space.

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