Bukhoro became one of the leading centers of learning, culture, and art in the Muslim world, its magnificence rivaling contemporaneous cultural centers such as Baghdad, Cairo, and Cordoba.
After the fall of the Umayyads, the first Muslim dynasty, the victorious Abbasid rulers wanted their own capital from which they could rule. They chose a site north of the Sassanid capital of Ctesiphon and also just north of where ancient Babylon had once stood.
Xochicalco was founded in about 650 C.E. by the Olmeca-Xicallanca, which are a Mayan group of traders from Campeche, at a site that gave them an excellent position along several of the major Mesoamerican trade routes.
Kyiv, one of the oldest cities of Eastern Europe, played a pivotal role in the development of the medieval East Slavic civilization as well as in the modern Ukrainian nation.
By 450 C.E., the city had perhaps 150,000 citizens and was the center of a powerful culture whose influence extended through much of the Mesoamerican region.
According to ancient Chinese (977),[37]:129 Indian and Japanese manuscripts, western coastal cities of Borneo had become trading ports by the first millennium C.E.
The city-states were founded as part of the southward migration by the Tibeto-Burman-speaking Pyu people, the earliest inhabitants of Myanmar of whom records are extant.
It is now a UNESCO World Heritage Site and is considered to be among the oldest urbanized centers and the best-known archaeology site in sub-Saharan Africa.
Originally a small town on the banks of the Tiber, Rome grew in size and strength, early on, through trade.
The city-states emerged from the Dark Ages which followed the fall of the Mycenaean civilization in Greece and by the 8th century B.C.E. a significant process of urbanisation had begun.
