1915.
Eastern Prussia.
1. The 79th Reserve Division was one of the divisions formed in the winter of 1914–15, and, with the 80th Reserve Division, formed the 40th Reserve Corps. It grew out of six field battalions of the Guard and three field battalions. (Nos. 19–21) of the 4th Corps District. It was trained at the Doeberitz cantonment and sent to Eastern Prussia at the beginning of February, 1915, where it took part in the battle of the Masure Lakes from the 7th to the 17th.
Russia.
2. It was identified in the vicinity of Lyck on February 13, as marching toward Augustowo on the 14th and to the south of the Forest of Augustowo on the 24th.
Poland.
3. From the end of February until the end of March it was engaged on the Bobr, to the north of the Fortess of Ossoviec. At the end of March, having come back in the northeast, it held the passes in the lakes to the east of Suwalki-Augustowo.
4. At the beginning of May the 40th Reserve Corps advanced toward Kalwaria-Mariampol.
Kovno.
5. On June 9 the 79th Reserve Division appeared before Kovno; it took part in the siege and the taking of this town (July-Aug. 18).