Hilary Clinton made history when she became the first-ever First Lady to win a seat for the Democrats in the Senate.
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Using Johannes Kepler's predictions, French scientist Pierre Gassendi became the first person to witness Mercury's transit between the Earth and the Sun.
The popular Christmas comedy movie, Elf, was released in the USA.
RedOctane released Guitar Hero for PlayStation 2 in North America.
Colorado became the second US state to give women the right to vote.
The Ensisheim Meteorite – the oldest meteorite with an observed fall – struck the Earth in France.