Tlemcen

City · c. 1236 CE · in Europe

Capital of Zayyanid dynasty (1236–1555).

Foix (c. 1236 CE): Capital of County of Foix (1236–1555).
Madrid (c. 1236 CE): Capital of Crown of Castile (1236–1515), Kingdom of Spain (1516–today), Pro-Habsburg Spain (1702–1708), and 3 more.
Tunis (c. 1236 CE): Capital of Hafsid Dynasty (1236–1571), Beylik of Tunis (1706–1881), Republic of Tunisia (1956–today).
Dambadeniya (c. 1236–1293 CE): Capital of Kingdom of Dambadeniya (1236–1293).
Ganghwa Island (c. 1232 CE): Capital of Goryeo (1232–1270).
Arras (c. 1241 CE): Capital of County of Artois (1241–1332).
Sukhothai Historical Park (c. 1241 CE): Capital of Sukhothai Kingdom (1241–1438).
Phitsanulok (c. 1241 CE): Capital of Sukhothai Kingdom (1241–1438).
Kosice (1230 CE): Capital of Principality of Upper Hungary (1683–1685).
Berlin (1244 CE): Capital of Margraviate of Brandenburg (1260–1414), Electorate of Brandenburg (1422–1618), Brandenburg-Prussia (1619–1701), and 5 more.

Around the same time and place

Trans-Saharan trade (c. 700–1600 CE): Camel caravans crossed the Sahara between Morocco and the Niger bend, exchanging North African goods and Saharan salt from mines such as Taghaza for West African gold, enriching the empires of Ghana, Mali and Songhai.
Reconquista (718–1492 CE): Centuries-long series of campaigns by Christian kingdoms to take the Iberian Peninsula from Muslim rule, ending with the fall of Granada in 1492.
Dante Alighieri (1265 CE – 1321 CE): Florentine poet whose Divine Comedy, written in the Tuscan vernacular, is a masterpiece of world literature and helped establish the Italian language.
Averroes (1126 CE – 1198 CE): Andalusian philosopher, physician and judge from Córdoba whose commentaries on Aristotle deeply influenced Christian scholasticism.
Fibonacci (c. 1170 CE – 1250 CE): Mathematician from Pisa who introduced Hindu–Arabic numerals to Europe; the Fibonacci sequence is named after him.
Auch (c. 1206 CE): Capital of County of Armagnac (1206–1496).
Poitiers (c. 1206 CE): Capital of County of Poitou (1206–1249).
Albigensian Crusade (1209–1229 CE): Crusade called by Pope Innocent III against the Cathars of southern France, which brought Languedoc under French royal control.