Editing George Grunert (section)

==Dates of rank==
{|class="wikitable" style="background:white"
|-
|align="center" |''Various''
|Enlisted, [[United States Army]]: September 29, 1898
|-
|align="center" |''No pin insignia in 1901''
|[[Second Lieutenant#United States|Second lieutenant]], [[Regular Army]]: February 2, 1901 <br>(Appointment accepted on April 29, 1901.)
|-
|align="center" |[[File:US-O2 insignia.svg|13px]]
|[[First Lieutenant#United States|First lieutenant]], United States Army: April 16, 1908
|-
|align="center" |[[File:US-O3 insignia.svg|33px]]
|[[Captain (U.S. Army)|Captain]], Regular Army: July 1, 1916
|-
|align="center" |[[File:US-O4 insignia.svg|40px]]
|[[Major (United States)|Major]], [[National Army (USA)|National Army]]: August 5, 1917
|-
|align="center" |[[File:US-O5 insignia.svg|40px]]
|[[Lieutenant colonel (United States)|Lieutenant colonel]], National Army: July 30, 1918
|-
|align="center" |[[File:US-O6 insignia.svg|60px]]
|[[Colonel (United States)|Colonel]], National Army: April 27, 1919
|-
|align="center" |[[File:US-O3 insignia.svg|33px]]
|Captain, Regular Army: August 31, 1919 <br>(Reverted to permanent rank.)
|-
|align="center" |[[File:US-O4 insignia.svg|40px]]
|Major, [[Regular Army (United States)|Regular Army]] : July 1, 1920
|-
|align="center" |[[File:US-O5 insignia.svg|40px]]
|Lieutenant colonel, Regular Army: April 27, 1921
|-
|align="center" |[[File:US-O6 insignia.svg|60px]]
|Colonel, Regular Army: August 1, 1932
|-
|align="center" |[[File:US-O7 insignia.svg|33px]]
|[[Brigadier general (United States)|Brigadier general]], Regular Army: November 1, 1936 <br>(Accepted December 24, 1936.)
|-
|align="center" |[[File:US-O8 insignia.svg|66px]]
|[[Major general (United States)|Major general]], Regular Army: December 1, 1939
|-
|align="center" |[[File:US-O9 insignia.svg|100px]]
|[[Lieutenant general (United States)|Lieutenant general]], Temporary: October 8, 1943
|-
|align="center" |[[File:US-O9 insignia.svg|100px]]
|[[Lieutenant general (United States)|Lieutenant general]], [[Army of the United States]]: January 29, 1944
|-
|align="center" |[[File:US-O9 insignia.svg|100px]]
|[[Lieutenant general (United States)|Lieutenant general]], Retired List: August 1, 1945
|}