Explanation

World Osteoporosis Day is observed annually on October 20th for raising global awareness and treatment of osteoporosis and metabolic bone disease.

Theme 2020: That`s Osteoporosis

Theme 2021: Take action for bone health

Theme 2022: Step up for bone Health

Explanation

Every year, the United Nations Day is celebrated on 24 October to mark the anniversary of the UN charter, which came into force in 1945.

Theme 2022: Building back together for peace and prosperity 

Explanation

• International Day of Older Persons is observed on 1 October.

• Theme 2020: Pandemics: Do they change how we address age and ageing?

• Theme 2021: Digital Equity for All Ages

• Theme 2022: Resilience of Older Persons in a Changing World
• Theme 2023: Fulfilling the Promises of the Universal Declaration of Human Rights for Older Persons: Across Generations
• Theme 2024: Ageing with Dignity: The Importance of Strengthening Care and Support Systems for Older Persons Worldwide

Explanation

• World Hydrography Day is observed on June 21 every year to raise awareness about hydrography and the essential role that it plays in improved knowledge of the seas and oceans.
• Theme 2021: One hundred years of international cooperation in hydrography
• Theme 2022: Hydrography - contributing to the United Nations Ocean Decade

Explanation

International Day of Forests is observed on 21st day of March.

The International Day of Forests was established on the 21st day of March.

Established by United Nations General Assembly (UNGA)

        Theme 2025: Forests and Foods

Explanation

World Urbanism Day is celebrated on 8 November annually. 

Established in 1949 by Professor Carlos Maria Della Paolera from University of Buenos Aires, Argentina

Explanation

World Tsunami Awareness Day is observed annually on November 5 to create awareness about this deadly disaster.

The word Tsunami is Japanese origin.

Explanation

World Wetlands Day is celebrated on February 2 every year.

This day is an environmentally related celebration.

First celebrated on February 2, 1971.

Theme 2022: Wetlands Action for People and Nature

Theme 2023: It's Time for Wetlands Restoration

Theme 2024: Wetlands and Human Wellbeing
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Explanation

World No Tobacco Day is observed on 31 May every year.

Theme for 2022 is Tobacco:A threat to our environment 

Theme 2023: We want food, not tobacco 

Theme 2024: Protecting children from tobacco industry interference 

Explanation

• World Vegan Day is an annual event celebrated by vegans around the world every 1 November.

• Vegan means وہ جو دودھ اور دودھ سے بنی اشیاء نہیں کھاتا