General der Kavallerie Hugo Max von Kayser was a son of the Prussian Colonel Edwin von Kayser (1836-1887)
24.02.1890: Fahnenjunker, joined the Hussar Regiment "von Zieten" (Brandenburgisches) No. 3 of the Prussian Army, Rathenow
19.11.1890: promoted to Fähnrich
19.09.1891: promoted to Sekondeleutnant
30.01.1897: 1st Hessian Hussar Regiment No. 13, Frankfurt am Main
00.11.1997-01.04.1902: Regiments-Adjutant, 1st Hessian Hussar Regiment No. 13, Frankfurt am Main
27.01.1899: promoted to Oberleutnant
15.09.1904: promoted to Rittmeister, Adutant, 4th Cavalry Brigade, Bydgoszcz
18.08.1905: squadron chief, Thuringian Hussar Regiment No. 12, Torgau
22.04.1912: promoted to Major, Adjutant, 1st Cavalry Inspection, Poznan
18.04.1913-30.09.1913: staff, Hussar Regiment "von Zieten" (Brandenburgisches) No. 3
01.10.1913: Offizier-Reitschule, Paderborn
03.08.1914: commander, Reserve Hussar Regiment No. 5, 13th Reserve Division
00.00.1915: Uhlan Regiment "Emperor Alexander II of Russia" (1st Brandenburg) No. 3
15.04.1916-04.05.1916: commander, Reserve Hussar Regiment No. 5 and then commander, Reserve Infantry Regiment No. 16
18.04.1917: promoted to Oberstleutnant
15.01.1918: commander, Hussar Regiment "von Zieten" (Brandenburgisches) No. 3
01.08.1918: commander, Cavalry Rifle Command 14
03.09.1918: severely WIA and hospitalized
15.02.1919: commander, Hussar Regiment "von Zieten" (Brandenburgisches) No. 3
01.08.1919: War Ministry
01.10.1919: Chief of Staff, Cavalry Inspection Department
18.12.1920: promoted to Oberst - RDA 01.10.1920
00.10.1921-31.12.1925: commander, Reichswehr cavalry school, Hanover then commander, 2nd Cavalry Division, Breslau
01.07.1923: promoted to Generalmajor
01.10.1926: inspector of the cavalry, Reichswehr Ministry
01.02.1927: promoted to Generalleutnant
01.12.1929: promoted to General der Kavallerie and Commander-in-Chief, Group Command 2, Kassel
30.11.1931: retired with permission to wear the uniform of the 3rd (Prussian) Cavalry Regiment
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