(a) International Mother Language Day (February 21st)
(b) World Day for Cultural Diversity
(c) International Day of the World’s Indigenous Peoples
(d) World Tourism Day

(a) World Meteorological Day
(b) World Wildlife Day (March 3rd)
(c) International Day for Biological Diversity
(d) World Food Day

(a) World Water Day
(b) International Day of Forests
(c) International Day of Youth (August 12th)
(d) World Day for Cultural Diversity

(a) World Refugee Day
(b) International Day for the Elimination of Violence against Women
(c) Human Rights Day (December 10th)
(d) International Day of the World’s Indigenous Peoples

(a) World Trade Day
(b) Europe Day (May 9th)
(c) International Day of Democracy
(d) International Workers’ Day

(a) World Food Day
(b) World Immunization Day (November 10th)
(c) International Day for Biological Diversity
(d) International Day for the Eradication of Poverty

(a) International Women’s Day
(b) World Literacy Day
(c) International Day of Persons with Disabilities (December 3rd)
(d) International Day for the Elimination of Racial Discrimination

(a) World Oceans Day
(b) International Day for Disaster Risk Reduction
(c) International Day of Living Together in Peace (May 16th)
(d) World Science Day for Peace and Development

(a) World Press Freedom Day (May 3rd)
(b) International Day of Education
(c) World Children’s Day
(d) International Day for Tolerance

(a) World Health Day
(b) World Environment Day
(c) World AIDS Day (December 1st)
(d) International Day of Peace