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Eighty-seven nations, including the Cold War superpowers, signed the Seabed Trea
1971 Event

February 11

Seabed Treaty Signed: Nuclear Weapons Banned from Oceans

Eighty-seven nations, including the Cold War superpowers, signed the Seabed Treaty banning nuclear weapons from the ocean floor beyond territorial waters. The agreement closed a dangerous loophole in arms control by preventing nations from hiding warheads beneath international waters, extending the spirit of nuclear non-proliferation to the two-thirds of Earth covered by ocean.

February 11, 1971

55 years ago

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What Else Happened on February 11

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