Explanation

Nelson Mandela International Day is an annual international day in honour of Nelson Mandela, celebrated each year on 18 July, Mandela's birthday.

The day was officially declared by the United Nations in November 2009, with the first UN Mandela Day held on 18 July 2010. 

Theme 2022: Do What You Can, With What You Have, Where You Are

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

22 December night is the longest night of the year.

Explanation

Explanation

World Leprosy Day is observed on last Sunday of January.

In 2023, last Sunday of January falls on 29 January.

Leprosy: کوڑھ

Leprosy Day 2023 Theme: Act Now; end leprosy 

Explanation

After 20 years, the Taliban fully re-captured Afghanistan on 15 August 2021.

Two years completed on 15 August 2023

Explanation

United Nations International Day in Support of Victims of Torture: 26 June 

Explanation

International Lefthanders Day is celebrated every year on 13 August to mark the uniqueness of the left-handed people around the globe.

Explanation

Explanation

Parkinson's Disease is observed 11 April

Parkinson's Disease ہاتھ اور چہرہ کانپنا

Theme 2023: Take6forPD