Gremi

City · c. 1468 CE · in Europe

Capital of Kingdom of Kakheti (1468–1762).

Zugdidi (c. 1468 CE): Capital of Principality of Mingrelia (1468–1803).
Sokhumi (c. 1468 CE): Capital of Principality of Abkhazia (1468–1810).
Sozak (c. 1468 CE): Capital of Kazakh Khanate (1468–1469).
Sighnaq (c. 1469–1599 CE): Capital of Kazakh Khanate (1469–1599).
Nowhatta (c. 1470 CE): Capital of Kashmiri Sultanate (1470–1472).
Gao (c. 1464 CE): Capital of Songhai Empire (1464–1591).
Lagos (1472 CE): Capital of Federal Republic of Nigeria (1963–1991).
Turpan (c. 1463 CE): Capital of Moghulistan (1463–1518), Eastern Chagatai Khanate (1492–1511), Eastern Moghulistan (1519–1570), and 1 more.
Aksu (c. 1463 CE): Capital of Moghulistan (1463–1518), Eastern Chagatai Khanate (1492–1511), Eastern Moghulistan (1519–1570), and 1 more.
Sarajevo (1462 CE): Capital of Bosnia and Herzegovina (1992–today).

Around the same time and place

Fall of Constantinople (1453 CE): Ottoman Sultan Mehmed II captured Constantinople, ending the Byzantine Empire; the city became the Ottoman capital.
Suleiman the Magnificent (1494 CE – 1566 CE): The longest-reigning Ottoman sultan (r. 1520–1566), under whom the empire reached the height of its power and its legal system was codified.
Safavid Empire founded (1501 CE): Ismail I proclaimed himself shah at Tabriz, founding the Safavid dynasty and making Twelver Shia Islam the state religion of Iran.
Palmyra (c. 261–1929 CE): Capital of Palmyrene Empire (261–269).
Chisinau (1436 CE): Capital of Republic of Moldova (1992–today).
Mimar Sinan (c. 1488 CE – 1588 CE): Chief architect of the Ottoman Empire under three sultans, credited with more than 300 buildings, including the Süleymaniye and Selimiye mosques.
Bakhchysarai (c. 1490 CE): Capital of Crimean Khanate (1490–1782).
Köneürgenç (c. 1512–1919 CE): Capital of Khanate of Khiva (1512–1919).