Pingjin Campaign , also known as the Battle of Pingjin, was part of the three major campaigns launched by the People's Liberation Army during the late stage of the Chinese Civil War against the Nationalist Government. It began on 29 November 1948 and ended on 31 January 1949, lasting a total of 64 days. This campaign marked the end of Nationalist dominance in the North China Plain. The term Pingjin refers to the cities Beiping (now Beijing) and Tianjin.