Explanation

Every year, World Immunization/vaccination Week is observed in last in week of April.

Explanation

The International Day of Women and Girls in Science is the 11th day of February, by resolution of the United Nations General Assembly on 22 December 2015. 

Theme 2022: “Equity, Diversity, and Inclusion: Water Unites Us.”

Explanation

Explanation

Every year, World Immunization/vaccination Week is observed in last in week of April.

Theme 2022: Long Life For All

Explanation

World Thyroid Awareness Day is observed on 25 May annually. 

Thyroid: a disease

Theme 2022: Thyroid and Communication

Theme 2023: It's not you. It's your thyroid 

Theme 2024: Thyroid Diseases are NCDs

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Explanation

World Cancer Day is observed every year on February 4. The theme for World Cancer Day 2022 is ‘Close the Care Gap’.

Explanation

The theme for International Day of Education in 2024 was "Learning for lasting peace".

The United Nations General Assembly proclaimed January 24 as International Day of Education 

Explanation

Kim Il-sung founded Korean People's Revolutionary Army on: April 25th 1932

Kim Il-sung was: founder of North Korea

Explanation

In Russia, Victory Day is a holiday that commemorates the victory over Nazi Germany in 1945.

9th May holiday became a non-labor day only in 1965 in Russia.

Explanation

International Polar Bear Day is an annual event celebrated every February 27 to coincide with the time period when polar bear moms and cubs are sleeping in their dens, and to raise awareness about the conservation status of the polar bear.