Correct Answer:
B. 1945
The correct answer is 1945. The United Nations Organization (UNO) was formally established on 24 October 1945. This date marks when the UN Charter, which had been signed by 50 countries in San Francisco in June 1945, was ratified by a majority of its signatory states, including the five permanent members of the Security Council. This crucial event officially brought into existence the international body aimed at fostering global peace, security, and cooperation among nations in the aftermath of World War II.
- Option A, 1943, is incorrect. While significant preliminary discussions and declarations, such as the Moscow Declaration, took place in 1943 to outline the need for a post-war international organization, the formal establishment of the UNO did not occur in this year.
- Option C, 1946, is incorrect. By 1946, the United Nations was already fully operational, holding its first General Assembly sessions and beginning its extensive work. It was a year of the organization's functioning, not its founding.
- Option D, 1947, is incorrect. Similar to 1946, 1947 was a year of the UNO's continued operation and expansion, further consolidating its structure and initiatives. The foundational year had already passed.