Category
page 1United Nations observances
International Year of Astronomy
2009 UN theme year
International Geophysical Year
period of international collaboration in the Earth sciences (1957-58)
International Women's Year
1975 UN theme year
World Year of Physics 2005
world year
World Space Week
international celebration of science and technology
International Year of Indigenous Languages
2019 United Nations observance focusing on the endangerment of Indigenous languages
International Year of Languages
international year
International Year of Chemistry
world day
International Year of Forests
world year
International Year of Light
2015 United Nations observance to raise awareness of light science and its applications
International Year of Soils
2015 UN theme year
International Year of the Child
1979 UN theme year
International Year of Biodiversity
2010 observance
International Year of the Potato
United Nations observation in 2008
Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War
world day
International Year of Peace
1986 UN theme year
International Youth Year
1985 UN theme year
International Year of Pulses
International Year of Deserts and Desertification
International Year for Disabled Persons
1981 UN theme year
World Immunization Week
WHO event during the last week of April
United Nations Decade on Biodiversity
International Year of Rice
2004 UN-designated observance
International Decade for People of African Descent
United Nations observance (2015–2024 and 2025–2034)
International Year of Sanitation
2008 United Nations year
International Decade of Indigenous Languages
2022–2032 United Nations observance focusing on the endangerment of Indigenous languages
International Year for the Culture of Peace
United Nations observance
International Year of Planet Earth
international year designated by the United Nations
International Year of Basic Sciences for Sustainable Development
2022 United Nations observance
International Year of Microcredit
international Year
International Year of Crystallography
2014 event for X-ray crystallography
International Decade for a Culture of Peace and Non-Violence for the Children of the World
United Nations observance
International Year of Natural Fibres
United Nations observance of 2009
International Year of Volunteers
United Nations General Assembly initiative in favour of volunteering
Water for Life Decade
International Year of Plant Health
International Year of Older Persons
world day
United Nations Decade of Family Farming
International Year to Commemorate the Struggle against Slavery and its Abolition
United Nations Year for Tolerance
International Year of Mobilization against Racism, Racial Discrimination, Xenophobia and Related Intolerance
International Year of Shelter for the Homeless
UN recognised year
International Book Year
international observance
Year of the Dolphin
International Year of Millets
2023 celebration of food grain
International Year of the Family
International Heliophysical Year
International Year of Sustainable Tourism for Development
United Nations Decade for Women: Equality, Development and Peace
period from 1976 to 1985
International Year of Human Rights
International Year of Cooperatives
International Decade for Natural Disaster Reduction
world decade 1990-1999