https://observances.global/2020-dates/

Date Day Holiday
4 Feb Tue World Cancer Day
13 Feb Thu World Radio Day
20 Feb Thu World Day of Social Justice
21 Feb Fri International Mother Language Day
3 Mar Tue World Wildlife Day
8 Mar Sun International Women's Day
20 Mar Fri International Day of Happiness
21 Mar Sat International Day of Forests
21 Mar Sat International Day of Nowruz
21 Mar Sat World Down Syndrome Day
21 Mar Sat World Poetry Day
22 Mar Sun World Water Day
23 Mar Mon World Meteorological Day
24 Mar Tue World Tuberculosis Day
2 Apr Thu World Autism Awareness Day
7 Apr Tue World Health Day
22 Apr Wed International Mother Earth Day
23 Apr Thu World Book and Copyright Day
25 Apr Sat World Malaria Day
26 Apr Sun World Intellectual Property Day
28 Apr Tue World Day for Safety and Health at Work
29 Apr Wed International Dance Day
30 Apr Thu International Jazz Day
3 May Sun World Press Freedom Day
15 May Fri International Day of Families
17 May Sun World Telecommunication and Information Society Day
22 May Fri International Day for Biological Diversity
29 May Fri International Day of UN Peacekeepers
31 May Sun World No-Tobacco Day
1 Jun Mon Global Day of Parents
5 Jun Fri World Environment Day
8 Jun Mon World Oceans Day
14 Jun Sun World Blood Donor Day
17 Jun Wed World Day to Combat Desertification and Drought
20 Jun Sat World Refugee Day
21 Jun Sun International Day of Yoga
23 Jun Tue International Widow's Day
26 Jun Fri International Day in Support of Victims of Torture
30 Jun Tue International Asteroid Day
4 Jul Sat International Day of Cooperatives
11 Jul Sat World Population Day
12 Jul Sun Malala Day
15 Jul Wed World Youth Skills Day
18 Jul Sat Nelson Mandela International Day
28 Jul Tue World Hepatitis Day
30 Jul Thu International Day of Friendship
9 Aug Sun International Day of the World's Indigenous People
12 Aug Wed International Youth Day
19 Aug Wed World Humanitarian Day
29 Aug Sat International Day against Nuclear Tests
8 Sep Tue International Literacy Day
10 Sep Thu World Suicide Prevention Day
15 Sep Tue International Day of Democracy
21 Sep Mon International Day of Peace
27 Sep Sun World Tourism Day
28 Sep Mon World Rabies Day
29 Sep Tue World Heart Day
1 Oct Thu International Day of Older Persons
2 Oct Fri International Day of Non-Violence
5 Oct Mon World Habitat Day
5 Oct Mon World Teachers' Day
8 Oct Thu World Sight Day
9 Oct Fri World Post Day
10 Oct Sat World Mental Health Day
11 Oct Sun International Day of the Girl Child
13 Oct Tue International Day for Disaster Reduction
16 Oct Fri World Food Day
17 Oct Sat International Day for the Eradication of Poverty
24 Oct Sat World Development Information Day
24 Oct Sat United Nations Day
27 Oct Tue World Day for Audiovisual Heritage
29 Oct Thu World Stroke Day
10 Nov Tue World Science Day for Peace and Development
12 Nov Thu World Pneumonia Day
13 Nov Fri World Kindness Day
14 Nov Sat World Diabetes Day
15 Nov Sun World Day of Remembrance for Road Traffic Victims
16 Nov Mon International Day for Tolerance
19 Nov Thu World Philosophy Day
20 Nov Fri Africa Industrialization Day
20 Nov Fri Universal Children's Day
21 Nov Sat World Television Day
1 Dec Tue World AIDS Day
2 Dec Wed International Day for the Abolition of Slavery
3 Dec Thu International Day of Persons with Disabilities
5 Dec Sat World Soil Day
7 Dec Mon International Civil Aviation Day
9 Dec Wed International Anti-Corruption Day
10 Dec Thu Human Rights Day
11 Dec Fri International Mountain Day
18 Dec Fri International Migrants Day
20 Dec Sun International Human Solidarity Day
https://observances.global/2020-dates/