 Complete the following phrase:  During the Xinhai Revolution which overthrew the Qing, Khalkha Mongol banners declared independence as the state of Mongolia and occupied Dariganga, which was then under Jodubjabs jurisdiction. This occurred in March 1912. He led an attack in an attempt to recover the area, but on 28 August was taken prisoner and held in Urga today Ulan Bator. He would be released in 1915 under the terms of the 