The anniversary of the entry into force of the United Nations Charter -- 24 October 1945 -- has been celebrated as United Nations Day since 1948. It has traditionally been marked throughout the world by meetings, discussions and exhibits on the achievements and goals of the Organization. In 1971, the General Assembly recommended that Member States observe it as a public holiday.Read more about UN Day Activities.
United Nations Day in the United States has been established by Presidential Proclamation to commemorate the establishment of the United Nations. It is celebrated very generally in all states and American possessions.
In the Washington, DC metropolitan area that observance, coordinated by the United Nations Association of the National Capital Area, extends from October 20 to October 28, 2007.