African Union African Union The advent of the African Union (AU) can be described as an event of great magnitude in the institutional evolution of the continent. On 9.9.1999, the Heads of State and Government of the Organisation of African Unity issued a Declaration (the Sirte Declaration) calling for the establishment of an African Union, with a view, inter alia, to accelerating the process of integration in the continent to enable it play its rightful role in the global economy while addressing multifaceted social, economic and political problems compounded as they are by certain negative aspects of globalisation.