Polonnaruwa

City · c. 1072 CE · in South Asia

Capital of Kingdom of Polonnaruwa (1072–1236).

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).
Sigmaringen (1077 CE): Capital of Principality of Hohenzollern-Sigmaringen (1806–1850).
Castelló d'Empúries (c. 1078 CE): Capital of County of Ampuria (1078–1402).
Isle of Man (c. 1085 CE): Capital of Kingdom of the Isles (1085–1176), Kingdom of Mann (1177–1266).
Castletown (c. 1085 CE): Capital of Kingdom of the Isles (1085–1176), Kingdom of Mann (1177–1266).
Aghmat (c. 1058–1070 CE): 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).

Around the same time and place

Maritime Silk Road (c. 200 BCE – c. 1500 CE): Sea lanes linking southern China, Southeast Asia, India, Arabia, East Africa and Egypt, carrying silk, ceramics, spices and textiles on the monsoon winds.
Chola Empire revived (c. 848–1279 CE): Vijayalaya Chola took Thanjavur around 848, beginning the imperial Chola period in which the dynasty dominated southern India and the Bay of Bengal.
Halebidu (c. 1111 CE): Capital of Hoysala Kingdom (1111–1343).