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The Outer Space Treaty entered force after more than sixty nations ratified a ba
1967 Event

October 10

Outer Space Treaty Takes Effect: Nukes Banned

The Outer Space Treaty entered force after more than sixty nations ratified a ban on nuclear weapons in orbit and claims of national sovereignty over celestial bodies. This agreement established the legal foundation for all subsequent space exploration and remains the cornerstone of international space law governing everything from satellite deployment to lunar missions.

October 10, 1967

59 years ago

Key Figures & Places

What Else Happened on October 10

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