Days and weeks officially recognised by the United Nations
21 Februray - International Mother Language Day(UNESCO)
8 March - International Women's Day
21 March - International Day for the Elimination of Racial Discrimination
21 March - World Poetry Day (UNESCO)
22 March - World Day for Water 2005
23 March - World Meteorogical Day (WMO)
24 March - World Tubercolosis Day (WHO)
7 April - World Health Day (WHO)
23 April - World Book and Copyright Day (UNESCO)
3 May - World Press Freedom Day(UNESCO)
15 May - International Day of Families
17 May - World Telecommunication Day (IUT)
21 May - World Day for Cultural Diversity for Dialogue and Development
22 May - International Day for Biological Diversity
25 May - Africa Day
Beginning 25 May - Week of Solidarity with the Peoples of Non-Self-Governing Territories
31 May - World No-Tobacco Day (WHO)
5 June - World Environment Day (UNEP)
17 June - World Day to combat Desertification and Drought
20 june - World Refugee Day
23 June - United Nations Public Service Day
26 June - International Day against Drug Abuse and Illicit Trafficking
26 June - United Nations International Day in Support of Victims of torture
1st Saturday July - International Day of Cooperatives
11 July - World Population Day (UNFPA)
9 August - International Day of Indigenous People
12 August - International Youth Day
23 August - International day for the Remembrance of the slave Trade and its Abolition (UNESCO)
8 September - International Literacy Day(UNESCO)
16 September - International Day for the Preservation of the Ozone layer
21 September - International Day of Peace
Last Week September - World Maritime Day (IMO)
1 October - International Day of Older Persons
1st Monday October - World Habitat Day
4-10 October - World Space Week
5 October - World Teacher's Day (UNESCO)
9 October - World Post Day (UPU)
10 October - World Mental Health Day
2nd Wednesday October - International Day for Natural Disaster Reduction
16 October - World Food Day (FAO)
17 October - International Day for the Eradication Poverty
24 October - United Nations Day
24 October - World Development Information Day
24-30 October - Disarmament Week
6 November - International Day for Preventing the Exploitation of the Environment in war and Armed Conflict
10 November - World Science Day for Peace and Development (UNESCO)
16 November - International Day for Tolerance (UNESCO)
20 November - Africa Industrialization Day
20 November - Universal Children's Day (UNICEF)
21 November - World Television Day
21 November - - Philosophy Day at UNESCO (UNESCO)
25 November - International Day for the Elimination of Violence against Women
29 November - International Day of Solidarity with Palestinian People
1 December - World Aids Day (WHO)
2 December - International Day for the Abolition of Slavery
3 December - International Day of Disabled Persons
5 December - International Volunteer Day for Economic and Social Development
7 December - International Civil Aviation Day (ICAO)
9 December - International Anti-Corruption Day
10 December - Human Rights Day
18 December - International Migrant's Day