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December (Thursday before Christmas) - National Regifting Day (USA)
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December (Winter Solstice) - Global Orgasm
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December 1 - World AIDS Day[68]
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December 11 - International Mountain Day
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December 12 - Universal Health Coverage Day
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December 14 - Monkey Day
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December 15 - International Tea Day
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December 16 - Bahrain National Day
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December 16 - Day of Reconciliation
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December 16 - Victory day of Bangladesh
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December 17 - International Day to End Violence Against Sex Workers
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December 18 - International Migrants Day
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December 2 - International Day for the Abolition of Slavery
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December 2 - UAE National Day
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December 20 - International Human Solidarity Day
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December 22 - National Mathematics Day (India)
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December 23 - Festivus
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December 25 - Good Governance Day (India)
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December 25 - Quaid-e-Azam Day
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December 26 - Boxing Day
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December 27 - Benazir Bhutto Memorial Day (Karachi, Pakistan)
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December 3 - International Day of Persons with Disabilities