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UN international and official days |
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| May |
DateOrganisation founderPeriodCountry where applicableHoliday typeDescription 3.May United Nations Organisation International UN official World Press Freedom Day 8.May-9.May United Nations Organisation 2004 - present International UN official Time of Remembrance and Reconciliation for Those Who Lost Their Lives During the Second World War 9.May-10.May United Nations Environment Programme International UN official World Migratory Bird Day 15.May United Nations Organisation 1993 - present International UN official International Day of Families 17.May United Nations Organisation 1969 - present International UN official World Information Society Day (formerly World Telecommunication Day) 21.May United Nations Educational, Scientific and Cultural Organization 2002 - present International UN official World Day for Cultural Diversity for Dialogue and Development 22.May United Nations Organisation 2001 - present International UN official International Day for Biological Diversity 23.May United Nations Population Fund International UN official International Day to End Obstetric Fistula 29.May United Nations Organisation International UN official International Day of United Nations Peacekeepers 31.May World Health Organization 1988 - present International UN official World No-Tobacco Day |
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