Minsk

City · c. 1111 CE · in Europe

Capital of Principality of Minsk (1111–1313), Republic of Belarus (1992–today).

Santiago de Compostela (c. 1111 CE): Capital of Kingdom of Galicia (1111–1125).
Tripoli (c. 1111 CE): Capital of County of Tripoli (1111–1289).
Halebidu (c. 1111 CE): Capital of Hoysala Kingdom (1111–1343).
Inowroclaw (1120 CE): Capital of Duchy of Kuyavia (1188–1205).
Navahrudak (1100 CE): Capital of Grand Duchy of Lithuania (1236–1449).
Tarsus (c. 1099 CE): Capital of Armenian Kingdom of Cilicia (1099–1374).
Huining (1124–1173 CE): Capital of Great Jin (1126–1153).
Rostov Veliky (c. 1125 CE): Capital of Principality of Rostov-Suzdal (1125–1240), Principality of Vladimir-Suzdal (1294–1389).
Troyes (c. 1125 CE): Capital of County of Champagne (1125–1200).
Ryazan (1095 CE): Capital of Principality of Ryazan (1097–1240), Ryazan (1453–1520).

Around the same time and place

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.
Sigmaringen (1077 CE): Capital of Principality of Hohenzollern-Sigmaringen (1806–1850).
Zagreb (1094 CE): Capital of Independent State of Croatia (1941–1944), Republic of Croatia (1992–today).
Hildegard of Bingen (1098 CE – 1179 CE): German Benedictine abbess, composer, visionary writer and naturalist, one of the best-known composers of medieval sacred music.
Venetian Arsenal (c. 1104 CE): Founded around 1104, the state shipyards of Venice grew into one of the largest industrial complexes in pre-industrial Europe. Using standardised parts and methods, its workers could build and fit out galleys at great speed.
Concordat of Worms (1122 CE): Pope Callixtus II and Emperor Henry V agreed this compromise at Worms in 1122, ending the Investiture Controversy. The Church would invest bishops with ring and staff, while the emperor kept a role in granting their lands and secular powers.
Frederick Barbarossa (c. 1122 CE – 1190 CE): Holy Roman Emperor who fought the Lombard League in Italy and drowned in Anatolia while leading the Third Crusade.
Plock (c. 1139 CE): Capital of Duchy of Masovia (1139–1351).