this, the king named the new city Cheng Du: literally, "become the capital". There are, however, several versions of why the capital was moved to Chengdu, and more recent theories of the name's origin point to it as stemming from, or referring to, earlier non-Han inhabitants and/or their languages.
After the conquest of Shu by the State of Qin in 316 BC, a new city was founded by the Qin general Zhang Yi (who as a matter of fact had argued against the invasion). This can be seen as the beginning of the Chinese Chengdu.
During the partition following the fall of the Eastern Han Dynasty, i.e. the era of the Three Kingdoms, Liu Bei founded the southwest kingdom of Shu-Han with Chengdu as its capital.
During the Tang Dynasty, both the "Poet God" Li Bаí and the "Poet Sage" Dù Fǔ spent some part of their lives in Chengdu. Du Fu constructed the celebrated "Caotáng" (thatched cottage or grass-hut) in the second year of his four-years stay (759-762). But today's Caotang, a rather sumptuous house in the traditional style, was only constructed in 1078 in memory of Du Fu. As early as the Tang dynasty more than 1,200 years ago, Chengdu became one of the foremost commercial cities in China, second only to Yangzhou.
Chengdu was also the birthplace of the first widely used paper money in the world (Northern Song Dynasty, around A.D. 960). The Qingyang Gong Taoist temple was built in Chengdu in the ninth century, meaning "Green Goat".
Two rebel leaders, one around the end of the Song Dynasty, the other near the end of the Ming Dynasty, set up the capitals of their short-lived kingdoms here, called Dàshu and Dàxi , respectively. In the 13th century, Marco Polo wrote about several bridges in China and the Anshun Bridge (or an earlier version of it) in Chengdu was one of them. He referred to Chengdu as "Sindafu" ("Cheng-Tu_Fu") as the capital of the province of the same name.
In 1279 the Mongols sacked Chengdu, killing 1.4 million
