Algeciras

City · c. 1035 CE · in Europe

Capital of Taifa of Algeciras (1035–1058).

Yangon (1035 CE): Capital of Burma (1948–1989), Union of Myanmar (1990–2005).
Yinchuan (c. 1038 CE): Capital of Western Xia (1038–1226).
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).
Tremp (c. 1040 CE): Capital of County of Pallars Jussà (1040–1191).
Silves (c. 1040 CE): Capital of Taifa of Silves (1040–1063).
Morfil (c. 1040 CE): Capital of Takrur (1040–1235).
Seville (c. 1028 CE): Capital of Taifa of Seville (1028–1091).
Gniezno (c. 1025 CE): Capital of Kingdom of Poland (1025–1385).

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.
Le Mans (c. 990 CE): Capital of County of Maine (990–1481).
Blois (c. 990 CE): Capital of County of Blôis (990–1401).
Rodez (c. 990 CE): Capital of County of Rouergue (990–1065).
Cagliari (c. 1000 CE): Capital of Giudicato of Cagliari (1000–1187).
Tortosa (c. 1010 CE): Capital of Taifa of Tortosa (1010–1099).
Nevers (c. 1010 CE): Capital of County of Nevers (1010–1520).