was this place a center of any revolution?
Yes, the Uprisings of 1895 and 1911.
Revolutions
During the late Qing Dynasty, Guangzhou was the site of revolutionary attempts such as the Uprisings of 1895 and 1911 that were the predecessors of the successful Xinhai Revolution, which overthrew the Qing Dynasty
who was don bradman? He was an Australian international cricketer. where was he born? Cootamundra, New South Wales (NSW). what is the climate like in the latter? Arid to semi arid climate with rainfall. what languages are spoken here? English, Mandarin, Arabic, Cantonese, Vietnamese and Greek. where is the fourth one commonly spoken? Guangzhou and its surrounding area in Southeastern China.
Yes - the Uprisings of 1895 and 1911 Yes Yes, the Uprisings of 1895 and 1911
Guangzhou Guangzhou Guangzhou
Revolutions Revolutions Revolutions
During the late Qing Dynasty, Guangzhou was the site of revolutionary attempts such as the Uprisings of 1895 and 1911 that were the predecessors of the successful Xinhai Revolution, which overthrew the Qing Dynasty. The 72 revolutionaries whose bodies were found after the latter uprising are honored as the city's 72 Martyrs at the Huanghuagang ("Yellow Flower Mound")  During the late Qing Dynasty, Guangzhou was the site of revolutionary attempts such as the Uprisings of 1895 and 1911 that were the predecessors of the successful Xinhai Revolution, which overthrew the Qing Dynasty. T During the late Qing Dynasty, Guangzhou was the site of revolutionary attempts such as the Uprisings of 1895 and 1911 that were the predecessors of the successful Xinhai Revolution, which overthrew the Qing Dynasty. 
wiki:7699603
Guangzhou [SEP] Revolutions
During the late Qing Dynasty, Guangzhou was the site of revolutionary attempts such as the Uprisings of 1895 and 1911 that were the predecessors of the successful Xinhai Revolution, which overthrew the Qing Dynasty. The 72 revolutionaries whose bodies were found after the latter uprising are honored as the city's 72 Martyrs at the Huanghuagang ("Yellow Flower Mound") Mausoleum.