Daming County

City · c. 926 CE · in Central Asia

Capital of Later Tang (926–935).

Nin (c. 926 CE): Capital of Kingdom of Croatia (926–1098).
Biograd na Moru (c. 926 CE): Capital of Kingdom of Croatia (926–1098).
Jiangling County (c. 926 CE): Capital of Jingnan (926–963).
Rouen (c. 922 CE): Capital of Duchy of Normandy (922–1071).
Koh Ker (c. 922–944 CE): Capital of Khmer Empire (922–944).
Lindong Town (c. 918 CE): Capital of Liao Dynasty (918–938).
Guangzhou (c. 917 CE): Capital of Southern Han (917–971).
Shangjing Linhuangfu (c. 916 CE): Capital of Liao Dynasty (916–1125).
Liao Nanjing (c. 916–1153 CE): Capital of Liao Dynasty (916–1125).
Thingvellir National Park (c. 936 CE): Capital of Icelandic Commonwealth (936–1262).

Around the same time and place

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.
Song dynasty (960–1279 CE): Founded by Zhao Kuangyin with its capital at Kaifeng, the Song saw a commercial revolution, paper money and advances in printing and science.
Silla (c. 57 BCE – c. 935 CE): Kingdom with its capital at Gyeongju, traditionally founded in 57 BCE, that unified most of Korea in the 7th century.
Imperial examination system (605–1905 CE): The Sui formalised civil service examinations for selecting officials, a system that lasted until its abolition in 1905.
Jeonju (c. 892 CE): Capital of Hubaekje (892–935).
Kaesong (c. 911 CE): Capital of Taebong (911–918), Goryeo (922–1392).
Changsha (c. 911 CE): Capital of Southern Chu (911–951).