80th Anniversary of the United Nations
United Nations, UN (October 24, 2025) — The phrase “un 80 years birthday” refers to the 80th anniversary of the United Nations (UN), which was celebrated in 2025.

The UN was officially founded on October 24, 1945, following the end of World War II. The anniversary marked a time for reflection on the UN’s past achievements in promoting peace and human rights, while also addressing contemporary challenges such as climate change, inequality, and the impact.
Founding: The UN was founded on October 24, 1945, when the UN Charter came into force, following a global commitment to “save succeeding generations from the scourge of war”.
Purpose: Its founding aims include maintaining international peace and security, promoting human rights, and fostering social progress and better standards of life.
The 80th anniversary in 2025 included a high-level meeting in September to reflect on the UN’s achievements and future path.
The anniversary also highlighted the need to adapt to new challenges like climate change, growing inequalities, and the rapid development of artificial intelligence.
The anniversary was also the occasion for the launch of UN80, an ambitious system-wide reform effort.