The United Nations (UN) is an intergovernmental organization to promote international co-operation and to maintain peace. It was established in 1945 after World War II in order to .
In the beginning, the UN had 51 member states; today it has 193. Its headquarters are in Manhattan, New York, and other .
Its objectives include maintaining international peace and security, promoting human rights, and providing humanitarian aid in cases of .
The UN is the intergovernmental organization in the world.