The 203d Division was formed in Germany (September, 1916) and trained at the Lockstedt cantonment (a great many men from the class of 1917; also men previously wounded or sick and men taken from units at the front).
Courland.
1. On October 20 the 303d Division took over a sector on the Dvina (region north of Dvinsk.)
1917.
Riga.
1. The division stayed on the Dvina until September, 1917. It participated in the offensive on the Riga and fought to the north of Friedrichstadt.
2. After the taking of the town the 203d Division occupied a sector at Grenyn. Favored by calm conditions, it gave up men to the 75th Reserve Division, which was preparing to go to France. On December 8 it was billeted in Riga. About December 18 the 405th Regiment left the Division and was replaced by the 406th, coming from the 205th Division. In the meanwhile the division had brought up its strength by obtaining men from the 332d Infantry, which did not intend to leave until March, 1918 (with the 77th Reserve Division).
France.
3. At the end of December the 203d Division entrained for the Western Front. The 410th left Riga on the 26th. (Itinerary: Eydtkuhnen-Koenigsberg-Schneidemuehl-Berlin-Giessen-Coblenz-Treves-Thionville-Charleville.) It detrained at Tournes in the night of January 1–2, 1918.