sentence: Chongqing is said to be the semi-mythical State of Ba that began in 11th century BC, when the Ba people began living here until they were destroyed by the State of Qin in 316 BC.
modified: fix grammar: Chongqing is said to be the semimythical State of Ba that began in 11th century BC when the Ba people began living here until they were destroyed by the State of Qin in 316 BC