Liao Nanjing

City · c. 916–1153 CE · in Central Asia

Capital of Liao Dynasty (916–1125).

Shangjing Linhuangfu (c. 916 CE): Capital of Liao Dynasty (916–1125).
Guangzhou (c. 917 CE): Capital of Southern Han (917–971).
Lindong Town (c. 918 CE): Capital of Liao Dynasty (918–938).
Kaesong (c. 911 CE): Capital of Taebong (911–918), Goryeo (922–1392).
Lugo (c. 911 CE): Capital of Kingdom of Galicia (911–1125).
Changsha (c. 911 CE): Capital of Southern Chu (911–951).
Regensburg (c. 911 CE): Capital of Kingdom of Germany (911–961), Holy Roman Empire (1594–1806), Holy Roman Empire Minor States (1594–1806), and 1 more.
Hangzhou (c. 911 CE): Capital of Wuyue (911–978).
Beijing (c. 911 CE): Capital of Yan Kingdom (911–914), Ming Dynasty (1375–1644), Empire of China (1916–1916), and 2 more.
Mahdia (c. 911 CE): Capital of Fatimid Caliphate (911–948), Zirid dynasty (1057–1148), Kingdom of Africa (1152–1160).

Around the same time and place

Gunpowder (c. 850 CE): Chinese alchemists discovered the explosive mixture of saltpetre, sulphur and charcoal by the 9th century; the first written formulas appear in 1044.
Movable type (Bi Sheng) (c. 1040 CE): The artisan Bi Sheng invented movable type made of fired clay, as described by Shen Kuo.
Magnetic compass (c. 1088 CE): Shen Kuo gave the earliest clear description of a magnetic needle compass; by the early 12th century it was recorded in use for navigation at sea.
Genghis Khan (c. 1162 CE – 1227 CE): Temüjin united the Mongol tribes and, as Genghis Khan, launched conquests that created the largest contiguous land empire in history.
Founding of the Mongol Empire (1206 CE): A great assembly near the source of the Onon River proclaimed Temüjin as Genghis Khan, ruler of all the Mongols.
Marco Polo’s journey to China (1271–1275 CE): The Venetian merchant Marco Polo, with his father and uncle, travelled from Acre across Persia, the Pamirs and the Tarim Basin to the court of Kublai Khan. His book of travels shaped European ideas of Asia for centuries.
Tang dynasty (618–907 CE): The Tang dynasty, ruling from Chang'an, presided over a cosmopolitan golden age of poetry, Buddhism and trade.
Goryeo (918–1392 CE): Dynasty founded by Wang Geon with its capital at Kaesong; the name Korea derives from it.