Bolghar Gord

City · c. 674–1235 CE · in Europe

Capital of Volga Bulgaria (674–1235).

Palembang (c. 674 CE): Capital of Srivijaya (674–1293).
Bolgar (c. 674 CE): Capital of Volga Bulgaria (674–1235), Golden Horde (1294–1502).
Bilär (c. 674–1235 CE): Capital of Volga Bulgaria (674–1235).
Ohrid (c. 682 CE): Capital of First Bulgarian Empire (682–1017).
Skopje (c. 682 CE): Capital of First Bulgarian Empire (682–1017), Serbian Empire (1352–1371), Former Yugoslav Republic of Macedonia (1992–today).
Veliki Preslav (c. 682 CE): Capital of First Bulgarian Empire (682–1017).
Pliska (c. 682 CE): Capital of First Bulgarian Empire (682–1017).
Lamphun (c. 661 CE): Capital of Haripuñjaya (661–1292).
Maria Saal (c. 661 CE): Capital of Carantania (661–749).
Kufa (c. 656 CE): Capital of Rashidun Caliphate (656–661).

Around the same time and place

Founding of Kievan Rus' (882 CE): Oleg of Novgorod took Kyiv and made it his capital, creating the state of Kievan Rus', which united East Slavic lands under the Rurik dynasty.
Christianization of Kievan Rus' (988 CE): Vladimir the Great adopted Orthodox Christianity from Byzantium and had the people of Kyiv baptised in the Dnieper.
Mongol invasion of Kievan Rus' (1237–1242 CE): Mongol armies under Batu Khan destroyed Ryazan, Vladimir and Kyiv, subjecting the Rus' principalities to Mongol overlordship for over two centuries.
Kyiv (482 CE): Capital of Kievan Rus' (882–1240), Principality of Kiev (1056–1240), Ukrainian People's Republic (1919–1919).
Varangians to the Greeks (c. 800–1100 CE): Scandinavian traders and warriors travelled from the Baltic up the Neva and Volkhov past Novgorod, portaged to the Dnieper and sailed down past Kiev to the Black Sea and Constantinople.
Smolensk (863 CE): Capital of Principality of Smolensk (1056–1406).
Pskov (903 CE): Capital of Pskov Republic (1348–1510).
Vitebsk (974 CE): Capital of Principality of Vitebsk (1111–1187).