James Cameron’s “Avatar” was released in the US. It became the highest-grossing film of all time at the time.
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Kublai Khan founded the Yuan dynasty when he renamed his Mongol Empire 'Yuan.'
New Jersey became the third state to ratify the US constitution.
Gunmen killed six health workers in Pakistan.
Nevada became the first US state with a female-majority legislature, with new appointments taking it to 51%.
Project SCORE, the world's first communications satellite, was launched into orbit.