The Eastern Expedition[1] encompassed the Taiping Heavenly Kingdom's efforts to capture the Yangtze River Delta, the provinces of Jiangsu, Anhui, and Zhejiang.
Most of the areas would eventually be occupied by the Taipings, but they were notably repulsed at several locations, especially the city of Shanghai.
Following the Jintian uprising in the southern province Guangxi and the beginning of open hostilities, Taiping forces attacked and captured Nanjing in central China by 1853.
Hong used a strategy to draw Qing's attention away from Tianjing by attacking areas to the east like Hangzhou and Suzhou.
Then Taiping forces counter attacked Qing armies besieging the capital, successfully lifting the siege.