Arta

City · c. 1206 CE · in Europe

Capital of Despotate of Epirus (1206–1479).

Dresden (1206 CE): Capital of Electorate of Saxony (1547–1805), Kingdom of Saxony (1806–1808).
Auch (c. 1206 CE): Capital of County of Armagnac (1206–1496).
Trabzon (c. 1206 CE): Capital of Empire of Trebizond (1206–1461).
Poitiers (c. 1206 CE): Capital of County of Poitou (1206–1249).
Xanadu (c. 1206–1439 CE): Capital of Mongol Empire (1206–1293), Northern Yuan (1375–1439).
Avarga (c. 1206 CE): Capital of Mongol Empire (1206–1235).
Andravida (c. 1206 CE): Capital of Principality of Achaea (1206–1432).
Banda Aceh (1205 CE): Capital of Sultanate of Aceh (1516–1903).
Koulikoro (c. 1202 CE): Capital of Sosso Empire (1202–1235).
Kalisz (c. 1210 CE): Capital of Duchy of Kalisz (1210–1219).

Around the same time and place

Francis of Assisi (c. 1181 CE – 1226 CE): Italian friar who embraced radical poverty and founded the Franciscan Order; one of the most venerated saints of Christianity.
Sack of Constantinople (1204) (1204 CE): Armies of the Fourth Crusade sacked Constantinople and set up a Latin Empire, permanently weakening Byzantium.
Thomas Aquinas (1225 CE – 1274 CE): Dominican friar and theologian whose Summa Theologica synthesised Aristotelian philosophy with Christian doctrine.
Mongol invasion of Rus’ and Europe (1236–1242 CE): Mongol armies under Batu and Subutai conquered Volga Bulgaria and the Rus’ principalities, destroyed Kiev in 1240, and in 1241 won at Legnica and Mohi, before withdrawing from Central Europe in 1242.
Mongol invasion of Kievan Rus' (1237–1242 CE): Mongol armies under Batu Khan destroyed Ryazan, Vladimir and Kyiv, subjecting the Rus' principalities to Mongol overlordship for over two centuries.
Maimonides (c. 1138 CE – 1204 CE): A Jewish philosopher, legal scholar and physician from Córdoba who settled in Fustat, author of the Mishneh Torah and The Guide for the Perplexed.
Munich (1158 CE): Capital of Duchy of Bavaria (1505–1805), Kingdom of Bavaria (1806–1870).
Fibonacci (c. 1170 CE – 1250 CE): Mathematician from Pisa who introduced Hindu–Arabic numerals to Europe; the Fibonacci sequence is named after him.