The Three Kingdoms refers to the Eastern Han Dynasty and the Later Wei Dynasty, Shu and Wu. In 220, Cao Pi, the prime minister of the Han Dynasty, usurped the Han Dynasty and claimed the title of emperor, making Luoyang the capital. His country's name was Wei, which was known as Cao Wei in history. The Han Dynasty officially ended. In 221, Liu Bei became emperor, and the capital was Chengdu, which was called Shuhan in history. In 229, Sun Quan became emperor and established the capital
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