Luoyang is known as the ancient capital of "13 dynasty". The 13 dynasties are Xia, Shang, Eastern Zhou, Eastern Han, Wei, Western Jin, Northern Wei, Sui, Tang (Wu Zetian and the end of Tang Dynasty), Later Tang, Later Jin, Republic of China (short-lived) and * *.
Luoyang was regarded as the capital of these dynasties mainly because of its superior geographical location and unique natural conditions. Luoyang is located in the Sanchuan Valley, which is a small plain alluvial by the Luohe River, the Yihe River and the Yellow River. Luoyang lies to the north of Luohe. In short, Luoyang, which was located in the middle of the dynasty at that time, really became the capital of the dynasty because of its retreat to the terrain and convenient water transportation.
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But none of these dynasties really flourished-the Eastern Han Dynasty, the Western Jin Dynasty, the Northern Wei Dynasty, the Sui Dynasty, the Tang Dynasty and the Five Dynasties and Three Dynasties.
From Guangwu Emperor Liu Xiu to the last emperor Han Xian Di, the Eastern Han Dynasty always took Luoyang as its capital, dominating the world and ruling the world. At this time, Luoyang became the center of the country, and its economy and population even surpassed Chang 'an, the capital of the Western Han Dynasty.