Explanation

• World Environment Day is on 5 June.
• First observed in the city of Spokane in the USA in 1974.
• Established by the UN General Assembly in 1972.
• It is also called Eco Day.

Additional information:

Theme:

• 2020: Time for Nature in Colombia
• 2021: Ecosystem restoration in Pakistan
• 2022: Only One Earth in Sweden
• 2023: Solutions to Plastic Pollution in the Ivory Coast
• 2024: Land restoration, desertification, and drought resilience in Riyadh, Saudi Arabia
• 2025: Ending plastic pollution in South Korea

Last verified on 04-06-2026

Explanation

• First World population day was celebrated in 1987.
• World population day is observed on July 11.

Additional information:

• Theme 2024: Leave no one behind, count everyone
• Theme 2025: Empowering young people to create the families they want in a fair and hopeful world.

Last verified on 01-02-2026

Explanation

• The next leap year after recent cycle is 2028.
• A leap year comes after every 4 years.
• A year divisible by 4 is usually a leap.
• It has 366 days instead of 365 days.
• The extra day is added in February (29th February).

Last verified on 01-06-2026

Explanation

International Day of Families is celebrated on 15th of May every year.

This day is being celebrated by the United Nations since 1995.

Theme 2025: Family-Oriented Policies for Sustainable Development

Theme 2026: Families, Inequalities and Child Wellbeing
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Explanation

Romanian gymnast Nadia Comăneci received the Laureus Lifetime Achievement Award at the 2026 Laureus World Sports Awards.

Additional Information:

The Laureus World Sports Awards is an annual award ceremony honouring individuals and teams from the world of sports

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Explanation

World Thyroid Awareness Day is observed on 25 May annually. 

Thyroid: a disease

Theme 2026: Thyroid and Nutrition

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Explanation

World Thyroid Awareness Day is observed on 25 May annually. 

Thyroid: a disease

Theme 2026: Thyroid and Nutrition

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Explanation

United Nations General Assembly (UNGA) proclaimed 24 May as International Day of Markhor.

First edition has been celebrated on 24 May 2024.

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Explanation

25 May has been proclaimed by the United Nations as World Football Day.

In 2024, 25 May marks the 100th anniversary of the first international football tournament in history which took place on May 25, 1924 in Paris.

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Explanation

Africa Day is observed every year on May 25.

It marks the founding of the Africa Day in 1963, which later became the African Union.

The day is celebrated across Africa and in the diaspora to reflect on African unity, liberation, development, and shared identity.

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