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| December |
DateOrganisation founderPeriodCountry where applicableHoliday typeDescription 1.December United Nations Organisation International UN official World AIDS Day 2.December United Nations Organisation International UN official International Day for the Abolition of Slavery 3.December United Nations Organisation 1992 - present International UN official International Day of Disabled Persons 5.December United Nations Organisation 2002 - present International UN official World Soil Day 5.December United Nations Organisation 1986 - present International UN official International Volunteer Day for Economic and Social Development 7.December International Civil Aviation Organization 1994 - present International UN official International Civil Aviation Day 9.December United Nations Organisation 2003 - present International UN official International Anti-Corruption Day 9.December United Nations Educational, Scientific and Cultural Organization 2015 - present International UN official International Day of Commemoration and Dignity of the Victims of the Crime of Genocide and of the Prevention of this Crime 10.December United Nations Organisation 1950 - present International UN official Human Rights Day 11.December United Nations Organisation 2002 - present International UN official International Mountain Day 20.December United Nations Organisation 2006 - present International UN official International Human Solidarity Day 29.December United Nations Organisation 1993 - 2000 International UN official International Day for Biological Diversity |
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