XVII Corps (German Empire)

XVII Army Corps XVII. Armee-Korps
Flag of the Staff of a Generalkommando (1871–1918)
Active	1 April 1890 (1890-04-01)–1919 (1919)
Country	German Empire
Type	Corps
Size	Approximately 44,000 (on mobilisation in 1914)
Garrison/HQ	Danzig\Elisabethwall 2
Shoulder strap piping	Yellow
Engagements	World War I Battle of Gumbinnen Battle of Tannenberg (1914) First Battle of the Masurian Lakes Battle of the Vistula River German summer offensive 1915 Bug–Narew Offensive Second battle of Przasnysz Narew Offensive
Insignia
Abbreviation	XVII AK

The XVII Army Corps / XVII AK (German: XVII. Armee-Korps) was a corps level command of the German Army before and during World War I.

As the German Army expanded in the latter part of the 19th century, the XVII Army Corps was set up on 1 April 1890 in Danzig as the Generalkommando (headquarters) for West Prussia. It took command of two divisions formed on the same date: 35th Division and 36th Division. It was assigned to the I Army Inspectorate,^[1] which became the 8th Army at the start of the First World War.

XVII Corps served on the Eastern Front from the start of the war. It was still in existence at the end of the war^[2] in the 7th Army, Heeresgruppe Deutscher Kronprinz on the Western Front.^[3] In 1919, the corps served with the Grenzschutz Ost (border protection east) in Danzig, West Prussia.