JANUARY

• 27 January - International Day of Commemoration in Memory of the Victims of the Holocaust (UN)

FEBRUARY

• 21 February - International Mother Language Day (UNESCO)

MARCH

• 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
• 23 March - World Meteorogical Day (WMO)
• 24 March - World Tubercolosis Day (WHO)

APRIL

• 7 April - World Health Day (WHO)
• 23 April - World Book and Copyright Day (UNESCO)

MAY

• 3 May - Sun Day (UNEP)
• 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 (UNESCO)
• 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)

JUNE

• 4 June - International Day of Innocent Children Victims of Aggression
• 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

JULY

• 1st Saturday July - International Day of Cooperatives
• 11 July - World Population Day (UNFPA)

AUGUST

• 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)

SEPTEMBER

• 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)

OCTOBER

• 1 October - International Day of Older Persons
• 1st Monday October - World Habitat Day
• 4-10 October - World Space Week
• 5 October - World Teachers' 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

NOVEMBER

• 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)
• 15 November - World Philosophy Day (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
• 25 November - International Day for the Elimination of Violence against Women
• 29 November - International Day of Solidarity with Palestinian People

DECEMBER

• 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
• 11 December - International Mountain Day
• 18 December - International Migrant's Day
• 19 December - United Nations Day for South-South Cooperation