World Wetlands Day occurs annually on February 2nd, marking the date of the adoption of the Convention on Wetlands on February 2, 1971. Established to raise awareness about the value of wetlands for humanity and the planet, WWD was celebrated for the first time in 1997 and has grown remarkably since then. Each year, government agencies, non-governmental organizations, […]

World Cancer Day is an international day marked on February 4 to raise awareness of cancer and to encourage its prevention, detection, and treatment. World Cancer Day was founded by the Union for International Cancer Control (UICC) to support the goals of the World Cancer Declaration, written in 2008. The primary goal of the World Cancer Day is to significantly reduce illness and death caused by cancer by 2020.

International Day of Women and Girls in Science celebrated every year on 11 February to gove the message that girls and women must be empowered at every level, in learning and research, from administration to teaching, across all scientific fields.

World Radio Day  is an observance day held annually on 13 February. World Radio Day is about celebrating radio, why we love it and why we need it today more than ever. A day to remember the unique power of radio to touch lives and bring people together across every corner of the globe.

International Mother Language Day (UNESCO) is a worldwide annual observance held on 21 February to promote awareness of linguisticand cultural diversity and promote multilingualism.

Zero Discrimination Day is an annual day celebrated by the UN and other international organisations. The day aims to promote equality before the law and in practice throughout all of the member countries of the UN.

The International Day of Happiness (known as Happiness Day) is celebrated throughout the world on the 20th of March.

World Meteorological celebrated every year on 23rd March. This day often features various events such as conferences, symposia and exhibitions for meteorological professionals, community leaders and the general public. Some events aim to attract media attention to raise meteorology's profile.

The United Nations' International Day for Mine Awareness and Assistance in Mine Action is observed on April 4 each year. This day aims to raise awareness about landmines and progress toward their eradication.

April 7, 2004 was recognized as an international observance the International Day of Reflection on the 1994 Genocide in Rwanda by the United Nations. Commemorative events were held in several world capitals including Kigali, Rwanda, New York City, Dar-es-Salaam, Tanzania, and Geneva, Switzerland. All member states of the UN were invited to join in one minute of silence in memory of the victims.