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UNESCO International Days 2021

United Nations Educational, Scientific and Cultural Organization (UNESCO) implements its activities through the five program areas: education, natural sciences, social and human sciences, culture, and communication and information.
UNESCO celebrates UN International Observance Days related to its respective competences, in addition to the other World Days, proclaimed by the United Nations Specialized Agencies.
 The list of International Days with which UNESCO is associated is available here.

International Days observed at UNESCO


14 January
World Logic Day

24 January
International Day of Education
World Day for African and Afrodescendant Culture

27 January
International Day of Commemoration in Memory of the Victims of the Holocaust


11 February
International Day of Women and Girls in Science

13 February
World Radio Day

21 February
International Mother Language Day


4 March
World Engineering Day for Sustainable Development

8 March
International Women’s Day

14 March
International Day of Mathematics

20 March
International Francophonie Day

21 March
World Poetry Day
International Day for the Elimination of Racial Discrimination
International Day of Nowruz

22 March
World Water Day


6 April
International Day of Sport for Development and Peace

15 April
World Art Day

23 April
World Book and Copyright Day

30 April
International Jazz Day


3 May
World Press Freedom Day

5 May
African World Heritage Day
World Portuguese Language Day

16 May
International Day of Light
International Day of Living Together in Peace

21 May
World Day for Cultural Diversity for Dialogue and Development

22 May
International Day for Biological Diversity


5 June
World Environment Day

8 June
World Oceans Day

17 June
World Day to Combat Desertification and Drought


18 July
Nelson Mandela International Day

26 July
International Day for the Conservation of the Mangrove Ecosystem


9 August
International Day of the World’s Indigenous People

12 August
International Youth Day

23 August
International Day for the Remembrance of the Slave Trade and its Abolition


8 September
International Literacy Day

15 September
International Day of Democracy

20 September
International Day of University Sport

21 September
International Day of Peace

28 September
International Day for the Universal Access to Information


5 October
World Teachers’ Day

11 October
International Day of the Girl Child

13 October
International Day for Disaster Reduction

17 October
International Day for the Eradication of Poverty

24 October
United Nations Day

27 October
World Day for Audiovisual Heritage


2 November
International Day to End Impunity for Crimes against Journalists

4 November (First Thursday)
International Day Against Violence and Bullying at School, including Cyberbullying

5 November
World Day of Romani Language
World Tsunami Awareness Day

10 November
World Science Day for Peace and Development
Third Thursday in November
World Philosophy Day

16 November
International Day for Tolerance

18 November
International Day of Islamic Art

25 November
International Day for the Elimination of Violence against Women

26 November
World Olive Tree Day

29 November
International Day of Solidarity with the Palestinian People


1 December
World AIDS Day

3 December
International Day of Persons with Disabilities

10 December
Human Rights Day

18 December
International Migrants Day

18 December
World Arabic Language Day

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