The 77th Reserve Division (77. Reserve-Division) was a unit of the Imperial German Army in World War I. The division was formed at the end of December 1914 and organized over the next month, arriving in the line in early February 1915. It was part of the second large wave of new divisions formed at the outset of World War I, which were numbered the 75th through 82nd Reserve Divisions. The division was initially part of XXXIX Reserve Corps. The division was disbanded in September 1918 and its assets distributed to other units. When originally formed, the division had two reserve infantry regiments from the Province of Westphalia (255th and 256th) and one from the Rhine Province (257th). The two Westphalian regiments were replaced late in the war by the 332nd Infantry Regiment, a garrison re