80-year history of the United Nations (1945–2025) By zuzanka63 Jun 26, 1945 945 – San Francisco Conference & UN Charter signed (June 26). Oct 24, 1945 1945 – Official founding of the UN (October 24, celebrated as UN Day). 1946 1946 – First UN General Assembly meeting in London. 1948 WHO established as a UN specialized agency. 1948 1948 – UN Peacekeeping begins with UNTSO in the Middle East. Dec 10, 1948 1948 – Universal Declaration of Human Rights adopted (December 10). 1950 1950 – UN authorizes military action in Korea under US-led command. 1956 1956 – First large UN peacekeeping force deployed during the Suez Crisis. 1960 1960 – Congo Crisis: UN launches one of its largest operations. 1961 World Food Programme created. 1962 1962 – UN role in Cuban Missile Crisis (Secretary-General U Thant’s mediation). 1966 1966 – International Covenants on Civil and Political Rights & on Economic, Social and Cultural Rights adopted. 1972 First UN Environment Conference (Stockholm). 1974 UN General Assembly adopts New International Economic Order declaration. 1979 1979 – Convention on the Elimination of All Forms of Discrimination Against Women (CEDAW). 1987 Montreal Protocol on Substances that Deplete the Ozone Layer adopted. 1989 1989 – Convention on the Rights of the Child adopted. 1992 1992 – Peacekeeping peak: over 70,000 peacekeepers deployed worldwide. 1993 1993 – Establishment of UN High Commissioner for Human Rights. 1995 UN role in Dayton Peace Agreement (Bosnia). 1998 1998 – Rome Statute for the International Criminal Court adopted. 2000 Millennium Development Goals (MDGs) launched. 2001 UN Declaration on HIV/AIDS. 2015 Paris Agreement on Climate Change adopted under UNFCCC. 2015 Adoption of the 2030 Agenda and Sustainable Development Goals (SDGs). 2017 Treaty on the Prohibition of Nuclear Weapons adopted. 2020 UN coordinates global COVID-19 response. 2024 UN adopts resolution on Global Digital Compact preparations. Oct 24, 2025 80th anniversary of UNO