張勲
In 1917, the warlord Zhang Xun restored Puyi to the throne from July 1 to July 12. Zhang Xun ordered his army to keep their queues to display loyalty to the emperor. However, then-Premier of the Republic of China Duan Qirui, ordered a Caudron Type D plane, piloted by Pan Shizhong (潘世忠) with bombardier Du Yuyuan (杜裕源) from Nanyuan airfield to drop three bombs over the Forbidden City as a show of force against Zhang Xun, causing the death of a eunuch, but otherwise inflicting minor damage. This is the first aerial bombardment recorded by the Chinese Air Force, and the restoration failed due to extensive opposition across China.