5 May: World Portuguese Language Day World Portuguese Language Day, celebrated annually on 5 May, is dedicated to honoring the Portuguese language and the diverse cultures of the Lusophone world. Established in 2009 by the Community of Portuguese-speaking Countries (CPLP)—an…
8–9 May: Time of Remembrance and Reconciliation for Those Who Lost Their Lives During the Second World War Proclamation of the Day On 22 November 2004, the United Nations General Assembly adopted Resolution 59/26, officially designating 8 and 9 May…
May 7: International Astronomy Day — Celebrating the Wonders of the Universe International Astronomy Day, observed every year on May 7, is a global celebration dedicated to connecting people with the fascinating world of astronomy. Originating in the United States…
16 May: International Day of Living Together in Peace Background The devastation of the Second World War led to the creation of the United Nations, an organization dedicated to preventing future conflicts and promoting global peace. One of its core…
16 May: International Day of Light Establishment of the Day The International Day of Light is observed every year on 16 May to emphasize the vital role that light plays in science, culture, education, and economic development. This day highlights…
17 May: World Telecommunication and Information Society Day Background World Telecommunication and Information Society Day (WTISD) is observed annually on 17 May to highlight the profound impact of the Internet and other information and communication technologies (ICT) on societies and…
18 May: International Museum Day – Celebrating Culture and Heritage Worldwide International Museum Day (IMD) is a globally recognized event observed annually on or around 18 May. Coordinated by the International Council of Museums (ICOM), this special day highlights the…
20 May: World Metrology Day – Celebrating Precision and Progress World Metrology Day is observed every year on 20 May to mark the anniversary of the signing of the Meter Convention in 1875 by delegates from seventeen nations. This landmark…
21 May: International Tea Day – Celebrating the World’s Favorite Beverage Proclamation of the Day The United Nations General Assembly has officially designated 21 May as International Tea Day, following a call from the Intergovernmental Group on Tea to strengthen…
21 May: World Day for Cultural Diversity for Dialogue and Development Origin of the Day The World Day for Cultural Diversity for Dialogue and Development is observed every year on May 21. This important day was established to acknowledge and…
29 May: International Mount Everest Day – Celebrating the World’s Highest Peak History of International Mount Everest Day International Mount Everest Day is observed every year on May 29 to commemorate the first successful ascent of Mount Everest, the world’s…
23 June: International Widows’ Day The Origin and Significance of International Widows’ Day International Widows’ Day is observed annually on 23 June. Officially recognized by the United Nations since 2011 under resolution A/RES/65/189, this day shines a spotlight on the…
29 May: International Day of United Nations Peacekeepers Background of the Day The United Nations General Assembly, through its resolution 57/129, designated 29 May as the International Day of United Nations Peacekeepers. This date marks the anniversary of the launch…
28 May: International Day of Action for Women’s Health History of the Day The International Day of Action for Women’s Health is observed annually on May 28. Established in 1987 at the International Women’s Health Meeting in Costa Rica, the…
23 May: International Day to End Obstetric Fistula Origins of the International Day to End Obstetric Fistula The United Nations Population Fund (UNFPA) was instrumental in establishing the International Day to End Obstetric Fistula, observed annually on 23 May. This…
