Explanation

International Widows Day is a day of action to address the "poverty and injustice faced by millions of widows and their dependents in many countries".

The day is ratified by the United Nations. 

The day takes place annually on 23 June.

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

World Blood Donor Day is observed on June 14 every year.

First observed in 2004

This day is observed by all member states of the World Health Organization (WHO).

Theme 2025: Give Blood, Give Hope

Theme 2026: One Drop of Humanity. Give Blood. Save Lives

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Explanation

World Day Against Child Labour is annually observed on 12 June.

It is observed by International Labour Organization (ILO).

First observed in 2002.

Theme 2025: Progress is clear, but there's more to do: let's speed up efforts

Theme 2026: "Red Card to Child Labour: Fair Play for Children, Decent Work for Adults

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Explanation

Observed annually on June 17, the World Day to Combat Desertification and Drought is a UN-designated observance raising awareness about land degradation.

It highlights that over a third of the world's land is degraded, and promotes international cooperation to restore soils and build drought resilience.

Theme 2026: Rangelands: Recognize. Respect. Restore

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