Complex sentence: In 1894 he headed the 23rd Infantry Division in 1897 Lieutenant General Meves was appointed Chief of the 2nd Guards Infantry Division, and in 1899--commander of the 20th Army Corps.
Split into simpler sentences: In 1894 he headed the 23rd Infantry Division. In 1897 Lieutenant General Meves was appointed Chief of the 2nd Guards Infantry Division and, in 1899, commander of the 20th Army Corps.