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

For after 100 years of decolonization, several nations again find themselves facing the threat, if not the reality, of Western domination.

CNN: CENTURY OF LIBERATION

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

The decolonization movement freed Africans from foreign rule in the 1960s, but civilian dictatorships and military juntas soon dominated politics while dirigiste and socialist economic policies entrenched poverty.

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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