Don't forget, 50 years ago Sudan was the first country becoming independent after decolonization.

NPR: African Union Leaders to Meet in Sudan

Achebe's stories included proverbs and tackled complex issues of African identity, nationalism and decolonization, adding to his books' popularity.

CNN: 'Things Fall Apart' author Chinua Achebe dies at 82

Kirchner also pointed to a host of U.N. resolutions addressing decolonization.

CNN: June 15, 2012 -- Updated 0923 GMT (1723 HKT)

So it took the lead, and that AU summit is a kind of a ceremony showing the world that decolonization was very important for the future of Africa.

NPR: African Union Leaders to Meet in Sudan

Against a political background of decolonization and the Cold War, an Intergovernmental Conference on the Institutional, Administrative and Financial Aspects of Culture was convened in Venice, Italy, from 24 August to 2 September 1970.

UNESCO: Intangible Cultural Heritage