Aghmat

City · c. 1058–1070 CE · in North Africa

Capital of Almoravid Dynasty (1058–1070).

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).
Ouagadougou (1050 CE): 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).
Valladolid (1072 CE): Capital of Crown of Castile (1236–1515), Pro-Habsburg Spain (1702–1708).
Nabadwip (c. 1072 CE): Capital of Sena Dynasty (1072–1235).
Polonnaruwa (c. 1072 CE): Capital of Kingdom of Polonnaruwa (1072–1236).

Around the same time and place

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.
Reconquista (718–1492 CE): Centuries-long series of campaigns by Christian kingdoms to take the Iberian Peninsula from Muslim rule, ending with the fall of Granada in 1492.
Tortosa (c. 1010 CE): Capital of Taifa of Tortosa (1010–1099).
Dénia (c. 1010 CE): Capital of Taifa of Dénia (1010–1227).
Almería (c. 1015 CE): Capital of Taifa of Almería (1015–1147).
Murcia (c. 1015 CE): Capital of Taifa of Murcia (1015–1249).
Huelva (c. 1015 CE): Capital of Taifa of Saltés and Huelva (1015–1051).
Granada (c. 1015 CE): Capital of Taifa of Granada (1015–1090), Emirate of Granada (1241–1491).