The infantry regiment "Kaiser Wilhelm" (2nd Grand Ducal Hessian) No. 116 was a regiment of the Grand Ducal Hessian Army , which was subordinated to the Prussian Army in the course of the military convention of 1867 .
The foundation day of the regiment was June 17, 1813. The garrison were initially the castle barracks and the mountain barracks , later the new barracks (called Verdun barracks by the Wehrmacht) in Giessen .
- XVIII. Armee-Korps in Frankfurt am Main
- Grand Ducal Hessian (25th) Division in Darmstadt
49th Infantry Brigade (1st Grand Ducal Hessian) in Darmstadt consisting of:
- Life Guard Infantry Regiment (1st Grand Ducal Hessian) No. 115 in Darmstadt
- Infantry Regiment "Kaiser Wilhelm" (2nd Grand Ducal Hessian) No. 116 in Giessen
- 5th Grand Ducal Hessian Infantry Regiment No. 168 in Offenbach am Main , Butzbach and Friedberg
- 49th Infantry Brigade (1st Grand Ducal Hessian) in Darmstadt consisting of:
- Grand Ducal Hessian (25th) Division in Darmstadt
- September 15, 1790 Landgrave Ludwig X of Hesse establishes the "light infantry battalion"; in addition, as tribal teams of the Prince Georg Wilhelms Regts. (current Infantry Regiment No. 117 ), four companies strength.
- In 1792/93 it was called a fusilier and then again a light battalion.
- On November 26th, 1799 it was named 2nd Fusilier Battalion.
- June 1, 1803: Reorganization, the battalion and the Leib-Regiment (current Infantry Regiment No. 115) form the 1st or Leib-Brigade (three battalions of four companies each).
- July 12, 1806: Hesse joins the Rhine Confederation.
- August 13, 1806: Name change, the Leib-Brigade becomes Leib-Garde-Brigade, the Fusilier-Battalion becomes Guard-Fusilier-Battalion
- February 22, 1812: The Guard Fusilier Battalion is combined with the I. Leib Fusilier Battalion of the Landgraf Brigade to form a provisional light infantry regt.
- 1812: In the campaign against Russia, the provisional light infantry regiment suffers heavy losses.
- 1813: regiment replenished
- June 17, 1813: the provisional regimental association becomes final, the regiment becomes the Guard Fusilier Regiment, the Guard Fusilier Battalion becomes 1st Battalion, the Leib Fusilier Battalion becomes 2nd Battalion.
Grand Duchy of Hesse ( German Confederation )
- 1820: Reorganization, on July 1, 1820 two companies of the disbanded "Prinz Emil" regiment join. The battalions now have five companies, one of which is a rifle company.
- 1861: Surrender of the snipers from the companies to the formation of the provisional sniper corps (current 3rd Battalion / Infantry Regiment No. 115).
Grand Duchy of Hesse ( North German Confederation / German Empire )
- April 7, 1867: Military convention between Prussia and Darmstadt.
- July 1, 1867: The Rifle Company leaves the battalion, which now has four companies, to strengthen the other companies and to form the Fusilier Battalion / Infantry Regiment No. 117.
- October 25, 1871: Renaming of the 2nd major Hessian Inf.Rgt. (Grand Duke) No. 116
- April 1, 1881: Establishment of the Fusilier Battalion from 5th Company / Infantry Regiment No. 116, 9th Company / Infantry Regiment No. 118, 11th Company / Infantry Regiment No. 115, 12th Company / Infantry Regiment Regiment No. 117 (9th, 10th, 11th, 12th companies and a new 5th company were formed).
- April 1, 1887: Transfer of the 2nd Company to Infantry Regiment No. 138.
- October 2, 1893: Creation of a fourth (half) battalion.
- 1. April 1897: Abgabe des IV. Battalions an das Infanterie-Regiment Nr. 168
- September 13, 1891: Renaming of the infantry regiment "Kaiser Wilhelm" (2nd Grand Ducal Hessian) No. 116
On August 2, 1914, the regiment mobilized at the outbreak of the First World War . After the last roll call to the Grand Duke on August 6, 1914, the regiment moved a day later to the Western Front with a strength of 86 officers, 3,329 NCOs and men and 239 horses . Due to heavy losses at Solesmes , the remnants of the regiment were combined into a battalion with three companies on October 23, 1918. Four days later the association consisted of two combat battalions and on November 11, 1918 it was re-formed into three battalions.
In January 1919, a volunteer battalion was formed from the remains, which then transferred to the Hessian Freikorps . This was taken over in June 1919 as 1st Battalion in the Reichswehr-Schützen-Regiment 36. 
- Albert Hiß: Kaiser Wilhelm Infantry Regiment (2nd Grand Ducal Hessian) No. 116 (memorial sheets of German regiments, volume 104 Prussian part) ; 231 pages, Oldenburg: Stalling; 1924.
- Klingelhöffer: History of the Kaiser Wilhelm Infantry Regiment (2nd Grand Ducal Hessian) No. 116 (for NCOs and men). On the centenary of the Berlin Foundation Festival, Mittler, 1913, 200 pages.
- Wilhelm Bigge: History of the Infantry Regiment Kaiser Wilhelm (2nd Grand Ducal Hessian) No. 116 , Berlin 1903 Internet Archive
- History of the 2nd Grand Ducal Hessian Infantry Regiment (Grand Duke) No. 116 ; 191 pages. Ernst Siegfried Mittler and Son, Berlin 1888.
- Festschrift for the 155 anniversary of the 116th Infantry Regiment combined with the reunion of the 25th Grand Ducal Hessian Infantry Division. Giessen September 28 and 29, 1968. 44 pages with illustrations.
The history and memory of the regiment was maintained by the Heimatschutzbataillon 56 "Hessische Infanterie" until 2006. 
- Further information on Inf.-Rgt. # 116
- Jürgen Kraus : Handbook of the associations and troops of the German army 1914-1918 Part VI: Infantry Volume 1: Infanterie-Regimenter , Verlag Militaria, Vienna 2007, ISBN 978-3-902526-14-4 , p. 197.
- History . Homeland Security Battalion 56. Archived from the original on February 14, 2007. Retrieved on May 13, 2019.