| 1 | World AIDS Day.
Central African Republic 1 December (autonomous territory within the French Community 1958)
Romania 1 December (Union Day, unification with Transylvania 1918)
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| 2 | UN Anti Slavery Day
Laos 2 December (National Day, people's republic declared 1975)
United Arab Emirates 2 December (National Day, formation of federation of seven emirates and independence from the United Kingdom 1971)
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| 3 | International Day for Handicapps
Saba (Netherlands) 3 December
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Human Rights Week |
| 4 |
Indian Navy Day.
Chemical Disaster prevention Day
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| 5 | World Energy Day
Thailand 5 December (birthday of King Bhumibol Adulyadej)
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| 6 |
Finland 6 December (Independence Day, declaration of independence from Russia 1917)
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| 7 |
Indian Armed Forces Flag Day.
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| 8 |
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| 9 |
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| 10 |
Human Right Day.
International
Children's Day of Broadcasting
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| 11 |
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| 12 |
Kenya 12 December (Independence Day, from the United Kingdom 1963; Republic Day, (Jamhuri Day), 1964)
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| 13 |
Malta 13 December (Republic Day, republican constitution of 1974)
St Lucia 13 December (National Day, independence from United Kingdom 1979; the saint's day)
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| 14 |
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| 15 |
Netherlands (kingdom) 15 December (Kingdom day, signing of the Charter for the Kingdom of the Netherlands 1954)
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| 16 | Vijay Diwas
Bahrain 16 December (Independence from the United Kingdom in 1971; accession day for Amir Sh. Isa Bin Salman Al Khalifa in 1961)
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| 17 |
Bhutan 17 December (Ugyen Wangchuck elected hereditary king 1907)
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| 18 |
Minorities Rights Day
Niger 18 December (Republic Day, autonomous state within the French Community 1958)
Qatar, 18 December (Official National Day; the assumption of power of Sheikh Jassem bin Mohamed al-Thani in 1878)
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| 20 |
French Guyana , 20 December Abolition of slavery day (regional only)
Macau 20 December (Transfer of sovereignty to the PRC 1999)
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| 21 |
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| 22 |
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| 23 |
Kisan Divas Farmer's Day
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| 24 | National Consumer Protection Day |
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| 25 |
X mas |
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| 28 |
Nepal 28 December (Nepal a federal republic 2008, earlier the king's birthday)
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