Dubrovnik

City · 700 CE · in Europe

Capital of Republic of Ragusa (1385–1806).

Eraclea (c. 705 CE): Capital of Republic of Venice (705–742).
Truro (c. 710 CE): Capital of Cornwall (710–946).
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).
Kathmandu (723 CE): Capital of Nepal (2008–today).
Oviedo (c. 724 CE): Capital of Kingdom of Asturias (724–924), Kingdom of Galicia (911–1125).
Cangues d'Onís (c. 724 CE): Capital of Kingdom of Asturias (724–924).
Samartín del Rei Aurelio (c. 724 CE): Capital of Kingdom of Asturias (724–924).

Around the same time and place

Charlemagne (c. 747 CE – 814 CE): King of the Franks who conquered much of Western Europe, was crowned emperor in 800 and promoted a revival of learning, the Carolingian Renaissance.
Battle of Tours (732 CE): Frankish forces under Charles Martel defeated an Umayyad army between Tours and Poitiers, halting Arab expansion into Gaul.
Trier (16 BCE – 1618 CE): Capital of Electorate of Trier (1333–1618).
First Bulgarian Empire founded (681 CE): After defeating the Byzantines, Khan Asparukh founded the Bulgarian state south of the Danube, with its capital at Pliska.
Chufut-Kale (500–1490 CE): Capital of Crimean Khanate (1450–1490).
Muslim conquest of the Maghreb (647–709 CE): Arab armies conquered Byzantine North Africa and the Berber lands over six decades, taking Carthage in 698 and reaching the Atlantic.
Maria Saal (c. 661 CE): Capital of Carantania (661–749).
Kairouan (670 CE): Founded by the Arab general Uqba ibn Nafi as a base for the conquest of North Africa, it became a major centre of Islamic learning.