Ouagadougou

City · 1050 CE · in North Africa

Capital of Burkina Faso (1961–today).

Kangaba (1050 CE): Capital of Mali Empire (1236–1611).
Oslo (1048 CE): Capital of Kalmar Union (1402–1523), Denmark-Norway (1536–1814), Kingdom of Norway (1814–today).
Chernihiv (c. 1056 CE): Capital of Principality of Chernigov (1056–1240).
Volodymyr (c. 1056 CE): Capital of Principality of Volhynia (1056–1201), Halych-Volhynia occupation (1199–1240), Principality of Galicia-Volhynia (1202–1240), and 1 more.
Pereiaslav (c. 1056 CE): Capital of Principality of Pereyaslavl (1056–1239).
Azougui (c. 1056–1147 CE): Capital of Almoravid Dynasty (1056–1147).
Aghmat (c. 1058–1070 CE): Capital of Almoravid Dynasty (1058–1070).
Nishapur (c. 1040 CE): Capital of Great Seljuk Empire (1040–1194).
Ronda (c. 1040 CE): Capital of Taifa of Ronda (1040–1065).
Hamadan (c. 1040 CE): Capital of Great Seljuk Empire (1040–1194).

Around the same time and place

Ghana Empire (c. 300–1200 CE): Soninke empire of the western Sahel, known to Arab writers as a land of gold, which grew rich by controlling trans-Saharan trade; its capital is usually identified with Koumbi Saleh.
Trans-Saharan trade (c. 700–1600 CE): Camel caravans crossed the Sahara between Morocco and the Niger bend, exchanging North African goods and Saharan salt from mines such as Taghaza for West African gold, enriching the empires of Ghana, Mali and Songhai.
Timbuktu (c. 1100 CE): Trading city on the southern edge of the Sahara that became a renowned centre of Islamic scholarship under the Mali and Songhai empires, famous for its mosques and manuscripts.
Djenné-Djenno (c. 250 BCE – c. 1400 CE): One of the oldest known towns in sub-Saharan Africa, in the inland Niger delta of Mali; occupied from about the 3rd century BCE and abandoned by around 1400.
Koumbi Saleh (c. 793–1200 CE): Capital of Ghana Empire (793–1200).
Morfil (c. 1040 CE): Capital of Takrur (1040–1235).