Unofficial ceasefires sprang up across World War I’s Western Front.
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Several Confederate veterans formed the Ku Klux Klan in Pulaski, Tennessee.
The crew of NASA's Apollo 8 became the first humans to enter the Moon's orbit.
The Christmas carol 'Silent Night' composed by Franz Xaver Gruber was first sung at St Nicholas parish church in Oberndorf, Austria.
The Treaty of Ghent was signed, which ended the War of 1812 between the US, the UK, and their allies.
The Texas Seven held up a sports store.
