Gangaikonda Cholapuram

City · c. 850 CE · in South Asia

Capital of Chola Empire (850–1259).

Kashgar (c. 850 CE): Capital of Kara-Khanids (850–1045), Eastern Kara-Khanids (1046–1138), Western Karakhanid Khanate (1046–1084), and 4 more.
Palermo (c. 850 CE): Capital of Emirate of Sicily (850–1091), Kingdom of Sicily (1139–1266), Kingdom of the Two Sicilies (1815–1860).
Balasagun (c. 850–1218 CE): Capital of Kara-Khanids (850–1045), Eastern Kara-Khanids (1046–1138), Western Karakhanid Khanate (1046–1084), and 1 more.
Sibenik (860 CE): Capital of Kingdom of Croatia (926–1098).
Beiting (c. 860–1138 CE): Capital of Qocho Kingdom (860–1138).
Brunswick (861 CE): Capital of Duchy of Brunswick (1815–1870).
Zaranj (c. 861 CE): Capital of Saffarid Dynasty (861–899).
Smolensk (863 CE): Capital of Principality of Smolensk (1056–1406).
Samarra (c. 836–892 CE): Capital of Abbasid Caliphate (836–892).
Olbia (c. 866 CE): Capital of Giudicato of Gallura (866–1209).

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.
Vallabhi (c. 476–1948 CE): Capital of Maitraka Dynasty (476–731).