Step 1: Understanding the Question:
The question asks for the year of establishment of the United Nations (UN).
Step 2: Key Concept:
The United Nations was created after the failure of the League of Nations to prevent the Second World War. Its founding goal was to maintain international peace and security.
Step 3: Detailed Explanation:
The United Nations (UN) is an international organization founded in 1945 after the end of World War II.
The UN Charter was signed on 26 June 1945 in San Francisco by 50 countries.
The United Nations officially came into existence on 24 October 1945, after the Charter had been ratified by China, France, the Soviet Union, the United Kingdom, the United States and by a majority of other signatories. October 24th is celebrated as United Nations Day.
Step 4: Final Answer
The United Nations Organisation was established in 1945.