1916.
Lake Narotch.
1. The 42d Division held its positions at Lake Narotch until April, 1917.
2. At the end of March, 1916, it sustained the Russian attacks and suffered great losses.
1917.
Galicia.
1. On April 24, 1917, the 42d Division was relieved from the sector of Lake Narotch and entrained at Vilna for the Western Front. The activity along the Galician front caused its itinerary to be modified, and from Warsaw it was sent to Lemberg. In reserve first, it went into action on July 20 in the German counteroffensive of Brzezany, which took it to the region south of Tarnopol (Grjimalov, July 31).
Riga.
2. Withdrawn from the Galician front at the beginning of August, it entrained at Lemberg on the 24th, and was transferred to Neugut (between Mitau and Jakobstadt) on August 27. It took part in the advance to Riga; one of its regiments crossed the Dvina, in the vicinity of Uxkull, on September 1.