Explanation

• Date of Labour Day: 1 May (every year)
• Origin: Haymarket Affair, Chicago
• Year: 1886
• Demand: 8-hour working day
• Status: International Labour Day / Workers’ Day

Last verified on 11-06-2026

Explanation

• Every every Food and Agricultural Organization (FAO) celebrated World Milk Day on 1 June.
• Theme 2025: Let's Celebrate the Power of Dairy
• Theme 2026: Celebrating Women Farmers
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Explanation

 Global Day of Parents is observed on first June every year.

This day was Established by the UN General Assembly in 2012. 

Theme 2026: Together for Parents

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Explanation

World Bicycle Day is marked on 3rd June every year to recognize bicycling as a way to get a sustainable form of travel.

In April 2018, the United Nations General Assembly declared June 3 as World Bicycle Day

Theme 2026: Advancing Sustainable Mobility and Inclusive Transport

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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