Brief history of UN
The United Nations is an international organization founded in 1945 after the
Second World War by 51 countries committed to maintaining international peace
and security, developing friendly relations among nations and promoting social
progress, better living standards and human rights.
The UN has 4 main purposes
      To keep peace throughout the world;
      To develop friendly relations among nations;
      To help nations work together to improve the lives of poor people, to conquer hunger,
       disease and illiteracy, and to encourage respect for each other’s rights and freedoms;
      To be a centre for harmonizing the actions of nations to achieve these goals
                Countries in the World:
                                          195
There are 195 countries in the world today. This total comprises 193 countries that
are member states of the United Nations and 2 countries that are non-member observer
states: the Holy See and the State of Palestine.
Not in the list
Not included in this total count of 195 countries are:
      Taiwan - the United Nations considers it represented by the People's Republic of
       China
      The Cook Islands and Niue, both states in free association with New Zealand which
       are members of several UN specialized agencies and have been recognized "full
       treaty-making capacity", but are neither member states nor non-member observer
       states.
      Dependencies (or dependent territories, dependent areas, dependencies) and
       Areas of Special Sovereignty (autonomous territories)
      Other countries recognized by the United Nations as not being self-governing
      When was the UN formed?
      24 October 1945, San Francisco, California, United States