INTERPOL is the largest police organization of the world. 

INTERPOL founded in 1923.

INTERPOL headquarters: Lyon, France 

1. 14 August 1947
2. 23 June 1948
3. 24 October 1948
4. 1 January 1949

1. Geneva, Switzerland
2. Paris, France
3. New York, USA
4. None of these

1. Oil and Petroleum Exporting Countries
2. Organization of the Petroleum Exporting Countries
3. Organization of the Project Exporting Countries
4. None of these

1. June 26, 1945
2. July 4, 1945
3. August 15, 1945
4. September 2, 1945

1. 32
2. 30
3. 31
4. 29