The
United Nations (UN) is an intergovernmental organization to promote
international co-operation. A replacement for the ineffective League of
Nations, the organization was established on 24 October 1945 after World War II
in order to prevent another such conflict. At its founding, the UN had 51
member states; there are now 193. The headquarters of the United Nations is in
Manhattan, New York City, and experiences extraterritoriality. Further main
offices are situated in Geneva, Nairobi, and Vienna. The organization is
financed by assessed and voluntary contributions from its member states. Its
objectives include maintaining international peace and security,, promoting
human rights, fostering social and economic development, protecting the
environment, and providing humanitarian aid in cases of famine, ,natural
disaster, and armed conflict..