Worcester

City · c. 577 CE · in Europe

Capital of Hwicce (577–627).

Lucca (c. 577 CE): Capital of Duchy of Tuscia (577–586).
Benevento (c. 577 CE): Capital of Duchy of Benevento (577–1081).
Spoleto (c. 577 CE): Capital of Duchy of Spoleto (577–898).
Ordu-Baliq (c. 587–840 CE): Capital of Eastern Göktürks (587–632), Western Göktürks (587–657), Uyghur Khaganate (750–840).
Carlisle (c. 592 CE): Capital of Kingdom of Rheged (592–646).
Madurai (c. 592 CE): Capital of Pandya Dynasty (592–921), Pandya Empire (1216–1325).
Criccieth (c. 592 CE): Capital of Kingdom of Dunoting (592–625).
Kabul (c. 561 CE): Capital of Turk Shahis (561–874), Durrani Empire (1776–1823), Emirate of Afghanistan (1828–1925), and 3 more.
Sambor Prei Kuk (c. 555–706 CE): Capital of Chenla (555–706).
Suyab (c. 555–749 CE): Capital of Göktürk Khaganate (555–586), Türgesh (704–749).

Around the same time and place

Trier (16 BCE – 1618 CE): Capital of Electorate of Trier (1333–1618).
Winchester (c. 534 CE): Capital of Kingdom of Wessex (534–927), Kingdom of England (936–1100).
Lincoln (c. 534 CE): Capital of Kingdom of Lindsey (534–625).
Toledo (c. 542 CE): Capital of Visigothic Kingdom (542–711), Taifa of Toledo (1010–1085).
Ravenna mosaics (547 CE): In the apse of San Vitale in Ravenna the emperor Justinian and the empress Theodora stand with their courts in glittering glass and gold. They are the finest surviving mosaics of the early Byzantine age.
Edinburgh (601 CE): Capital of Kingdom of Scotland (1452–1608).
Tamworth (c. 534 CE): Capital of Kingdom of Mercia (534–918).
Basilica of San Vitale (547 CE): Church in Ravenna consecrated in 547, famous for its Byzantine mosaics of Justinian and Theodora.