[1] In the year of 221 BC, General Tu Sui (屠睢) was sent on behalf of the Qin dynasty to the south of China in order to conquer the territory of Baiyue.
Some scholars consider late Old Gan, together with Hakka Chinese and the Tongtai dialect of Jianghuai Mandarin to have been the lingua franca of the Southern Dynasties.
History of Southern Dynasties records that Hu Xiezhi (胡諧之) of Nanchang, the Emperor wants to bestow a noble marriage on him.
Research on the rhyming system of Jiangxi poets of this period has been made in order to reconstruct the linguistic form of Middle Gan.
The textbook Lei Zi Meng Qiu (類字蒙求) published in the middle of the 19th century has been used to understand the linguistic form of Nanchang dialect; scholars have found that Gan has stayed relatively stable from this time.