Explanation

• IBRD (World Bank): 11 July 1950

Additional information:

• United Nations (UN/UNO): 30 September 1947.
• FAO: 7 September 1947.
• Commonwealth of Nations: 1947; withdrew in 1972 and rejoined in 1989. 
• WHO: 1948.
• UNESCO: 1949.
• IMF: 11 July 1950. 
• SEATO: 1954; dissolved in 1977.
• CENTO: 1955; dissolved in 1979.
• OIC: 1969.
• SAARC: 1985.
• WTO: 1995.
• Shanghai Cooperation Organisation (SCO): 9 June 2017.

Last verified on 15-10-2026

Explanation

• Headquarters: Tehran, Iran.
• Established: 1985.
• Founding countries: Türkiye, Iran, and Pakistan.
• Official language: English.
• Purpose: To promote economic, technical, and cultural cooperation among member states.

ECO Member States (10):

1. Türkiye
2. Iran
3. Pakistan
4. Afghanistan
5. Azerbaijan
6. Kazakhstan
7. Kyrgyz Republic
8. Uzbekistan
9. Tajikistan
10. Turkmenistan

Last verified on 14-10-2026

Explanation

Tanku Abdul Rahman of Malaysia was the first Secretary General of the Organisation of Islamic Cooperation (OIC) from 1971 to 1973.

2nd Secretary General: Hassan al-Touhami (1974-1975)

3rd Secretary General: Amadou Karim Gaye (1975-1979)

11th Secretary General: Yousef bin Ahmad Al-Othaimeen (2016-2020)

12th and Current Secretary General: Hissein Brahim Taha (2020-present)

Explanation

• On 9 June, 2017 India and Pakistan became full members of the Shanghai Cooperation Organisation (SCO).
• The SCO Headquarters: Beijing, China
• The SCO Founded: June 15, 2001
• The SCO currently comprises of nine Members States (China, India, Kazakhstan, Kyrgyzstan, Russia, Pakistan, Tajikistan, Iran and Uzbekistan), four Observer States

Last verified on 09-03-2026

Explanation

• Headquarters: Paris, France
• Full Form: United Nations Educational, Scientific and Cultural Organization (UNESCO)
• Founded: 16 November 1945
• Member States: 194
• Parent Organization: United Nations (UN)
• UNESCO works to promote world peace and security through international cooperation in education, science, culture, and communication.
• UNESCO is responsible for designating World Heritage Sites, protecting places of outstanding cultural and natural importance.

Last verified on 23-07-2026