| 1915 | 1916 | 1917 | 1918[[25]] | |||||
|---|---|---|---|---|---|---|---|---|
| Brigade. | Regiment. | Brigade. | Regiment. | Brigade. | Regiment. | Brigade. | Regiment. | |
| Infantry. | 77 Res. | 255 Res. | 77 Res. | 255 Res. | 77 Res. | 255 Res. | 77 Res. | 332. |
| 256 Res. | 256 Res. | 256 Res. | 257 Res. | |||||
| 257 Res. | 257 Res. | 257 Res. | 419. | |||||
| Cavalry. | 77 Res. Cav. Detch. | 77 Res. Cav. Detch. | 4 Sqn. 2 Horse Jag. Rgt. (?) | 4 Sqn. 2 Horse Jag. Rgt. | ||||
| 77 Res. Cav. Detch. (?) | ||||||||
| Artillery. | 77 Res. Brig.: | 77 Res. Brig.: | (?) Art. Command: | (?) Art. Command: | ||||
| 59 Res. F. A. Rgt. (6 Btries.). | 59 Res. F. A. Rgt. | 59 Res. F. A. Rgt. (9 Btries.). | 59 Res. F. A. Rgt. | |||||
| 60 Res. F. A. Rgt. (6 Btries.). | 60 Res. F. A. Rgt. | |||||||
| Engineers and Liaisons. | 77 Res. Pion. Co. | 77 Res. Pion. Co. | (377) Pion. Btn.: | 1 Co. 1 Pions. | ||||
| 77 Res. Pont. Engs. | 277 T. M. Co. | 78 Res. Pion. Co. | 1 Ldw. Co. 7 C. Dist. Pions. | |||||
| 77 Res. Pont. Engs. | 277 T. M. Co. | 39 Res. Searchlight Section. | ||||||
| 39 Res. Searchlight Section. | 277 T. M. Co. | |||||||
| 477 Tel. Detch. | 477 Tel. Detch. | |||||||
| Medical and Veterinary. | 1 Ambulance Co. | 539 Ambulance Co. | 539 Ambulance Co. | |||||
| 103 Field Hospital (Res.). | 103 Res. Field Hospital. | |||||||
| 104 Field Hospital (Res.). | 104 Res. Field Hospital. | |||||||
| Vet. Hospital. | 105 Res. Field Hospital. | |||||||
| Vet. Hospital. | ||||||||
| Transport. | 77 Res. Train Detch. | M. T. Col. | 744 M. T. Col. | |||||
| Odd units. | 77 Res. Cyclist Co. | 77 Res. Cyclist Co. | 77 Res. Cyclist Co. | 77 Res. Cyclist Co. | ||||
| Attached. | 403 Pion. Btn. (?) | |||||||
[25]. Composition at the time of dissolution.
HISTORY.
(255th Regiment: 7th Corps District—Westphalia. 257th Regiment, 332d Regiment: 8th Corps District—Rhenish Province.)
1915.
The 77th Reserve Division was formed at the Senne Cantonment (7th Corps Region) in January, 1915, with six field battalions (Nos. 31–36) of the 7th Corps Region and three of the 8th, (Nos. 37–39.) With the 78th Reserve Division, it composed the 39th Reserve Corps.
Russia.
1. Brought to the Eastern Front at the beginning of February, detraining at Insterburg, it was a part of the army operating in Eastern Prussia after February 12.
2. At the beginning of March it was engaged on the Sopotzkyn-Chtabin front in the region of Simno; on March 9 it covered the retreat of the 21st Corps and fell back to Seiny, Suwalki and Augustowo (Mar. 10 to 31).
3. During May and June the 77th Reserve Division took part in the Courland raid. On May 5 it was identified as being on the Rossieny-Beisagola front (to the South of Chavli).