(a) World Day for Cultural Diversity
(b) International Day for the Eradication of Poverty
(c) World Science Day for Peace and Development (November 10th)
(d) International Day of Women and Girls in Science

(a) World Health Day
(b) World Water Day (March 22nd)
(c) World Environment Day
(d) International Day for Biological Diversity

(a) International Day of Space Exploration
(b) Space Day (July 20th)
(c) World Telecommunication and Information Society Day
(d) International Day of Astronomy

(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