Which of the following marked 20th anniversary on 9 July 2022?

Which of the following marked 20th anniversary on 9 July 2022?

مندرجہ ذیل میں سے کس نے 9 جولائی 2022 کو 20 ویں سالگرہ منائی؟
Explanation

African Union (AU) launched: 9 July 2002

 African Union (AU) members: 55 member states

African Union (AU) secretariat:  Addis Ababa, Ethiopia