 The Japanese 2nd Army was initially raised during the First Sino-Japanese War from September 27, 1894, to May 14, 1895, under the command of General Ōyama Iwao.It was revived for the Russo-Japanese War from March 6, 1904, to January 2, 1906, under the command of General Oku Yasukata.It fought in most of the major campaigns of the war, including the Battle of Nanshan, Battle of Te-li-Ssu, Battle of Tashihchiao, Battle of Shaho, Battle of Liaoyang, Battle of Sandepu, and Battle of Mukden.