6 dated entries naming Anhui, drawn from 6 separate years between 383 CE and 1978 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.
383Battle of Fei River (Feishui): Former Qin forces are defeated by the numerically inferior Eastern Jin army in Anhui, preserving the Jin state in the south and precipitating the destruction of Former Qin in the north.source
7th century
624February – Chinese General Li Daliang leads an army to retake the Yu prefecture, near Xuancheng in what is now the Anhui province, from the rebel leader Fu Gongshi.source
15th century
1402April 2 – Jingnan campaign: In China, the Yan Army, led by Prince Zhu Di reaches Suishui, west of Huaibei, in what is now the Anhui province.source
19th century
1855March 17 – Taiping Rebellion: A Taiping army of 350,000 invades Anhui.source
1856March 24 – Taiping Rebellion: Suspecting treachery on the part of East King Yang Xiuqing, Shi Dakai garrisons Anhui and begins his march back to the Heavenly Capital, having defeated a strong Xiang Army detachment.source
20th century
1978November 24 – China starts an experimental "household responsibility system", in Anhui Province.source