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Dec 7 in history: Leo Baekeland patents first thermo-setting plastic and more

1909
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1909

Leo Baekeland patents first thermo-setting plastic, Bakelite

1922
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1922

Parliament of Northern Ireland votes to remain a part of UK

1941
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1941

Japanese attack US Naval Base at Pearl Harbor, kill 2300

1972
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1972

Apollo 17, the last Apollo moon mission, is launched

2004
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2004

Hamid Karzai becomes Afghanistan's 1st popularly elected president