Mariah Carey’s single “All I Want for Christmas Is You” reached number one, 25 years after its release.
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A five-day pollution red alert was declared in Beijing and 21 other Chinese cities.
'Jingle Bells' became the first song played in space when it was broadcast during NASA's Gemini 6 space flight.
The Great White Fleet began its worldwide navigation.
The US State Department increased the reward for information on the Islamic State leader Abu Bakr al-Baghdadi to $25 million.
The Pioneer 6 space probe was launched atop a Delta-E rocket.
