Ercis

City · c. 1375 CE · in Europe

Capital of Qara Qoyunlu (1375–1467).

Inwa (c. 1375 CE): Capital of Ava Kingdom (1375–1528), Konbaung Dynasty (1752–1819).
Phnom Penh (1372 CE): Capital of Kingdom of Cambodia (1956–today), People's Republic of Kampuchea (1979–1989).
Free City of Frankfurt (1372–1866 CE): Capital of Confederation of the Rhine (1809–1813), German Confederation (1815–1863).
Bago (c. 1369 CE): Capital of Hanthawaddy Kingdom (1369–1539), First Toungoo Empire (1539–1599).
Mukim Kota Batu (c. 1368 CE): Capital of Sultanate of Brunei (1368–1888).
Vidin (c. 1363 CE): Capital of Despotate of Vidin (1363–1396).
Luang Prabang (c. 1363 CE): Capital of Lan Xang (1363–1560), Kingdom of Laos (1956–1975).
Lutherstadt Wittenberg (c. 1363 CE): Capital of Electorate of Saxony (1363–1547).
Kavarna (c. 1363 CE): Capital of Despotate of Dobruja (1363–1394).
Donwun (c. 1363 CE): Capital of Hanthawaddy Kingdom (1363–1369).

Around the same time and place

Palmyra (c. 261–1929 CE): Capital of Palmyrene Empire (261–269).
Mamluk Sultanate (1250–1517 CE): Mamluk slave-soldiers seized power in Egypt, founding a sultanate that ruled Egypt and Syria until the Ottoman conquest.
Mansa Musa’s pilgrimage to Mecca (1324–1325 CE): Mansa Musa of Mali made the hajj with a vast retinue, and his lavish spending of gold in Cairo was said to have depressed its value there for years, spreading Mali’s fame to Europe and the Middle East.
Antalya Province (c. 1326 CE): Capital of Beylik of Teke (1326–1423).
Kahramanmaras (c. 1344 CE): Capital of Beylik of Dulkadir (1344–1515).
Shiraz (c. 1344 CE): Capital of Injuids (1344–1357).
Janissaries (c. 1363–1826 CE): Sultan Murad I created the Janissaries around 1363 as an elite Ottoman infantry corps, later filled through the devshirme levy of Christian boys. They grew into a powerful political force until Mahmud II abolished the corps in 1826.
Diyarbakir (c. 1407 CE): Capital of Aq Qoyunlu (1407–1468).