Yang Xiuqing was a prominent leader and one of the key figures in the Taiping Rebellion, which took place in China from 1850 to 1864. He served as the 'Eastern King' and was instrumental in establishing the Taiping Heavenly Kingdom's authority, promoting radical social reforms and religious ideology that aimed to overthrow the Qing Dynasty. His influence was pivotal during the rebellion's peak, where his strategies significantly shaped major events and battles.