1861

Department of the West

April 24: Elected captain of Company B, 2nd MO (3 months) under Col. Henry Boernstein

May 7: Elected major 2nd MO, commanding battalion detached to Brig. Gen. Nathaniel Lyon Co. A: Capt. Otto Schadt, Co. B: Capt. Franz Kohr. Body Servant: Adolph Wagner

July 24: Osterhaus Battalion assigned to 1st Brig. under Maj. Samuel Sturgis Co. A: Capt. Schadt/ Lt. Guentzel, Co. C: Capt. Bendel, Co. D: Capt. Bowen

July 31: Appointed Acting Colonel of 12th MO Vol. Infantry (3 years) by John Frémont

Army of the West

Sept. 27:

Appointed Acting Brig. Gen. commanding 2nd Brigade, Third Division under Brig. Gen. Franz Sigel

12th MO: Col. Osterhaus, 17th MO: Col. F. Hassendeubel, 44th IL: Col. C. Knobelsdorff, 1st Bat. 3rd MO VI (4 cos.): Maj. I. Conrad, 3rd Reg. U. S. regs: Col. Fritz, Welfley's MO Battery: Capt. M. Welfley, 4th OH Battery: Capt. L. Hoffmann, Benton Hussars: Capt. Woldemar. Staff: Capt. William A. Gordon, AAG

Nov. 29: Acting commander Third Division under Brig. Gen. Samuel Curtis

Dec. 19: Appointed Colonel

1862

District of Southwest Missouri, Army of the Southwest

Jan. 31:

Acting Brig. Gen. commanding 2nd Brigade, First Division under Brig. Gen. Franz Sigel
12th MO: Maj. H. Wangelin, 17th MO: Col. F. Hassendeubel, 36th IL: Col. N. Greusel,

Co. A MO Battery: Capt. M. Welfley, 4th OH Battery: Capt. L. Hoffmann

Feb. 1:

Acting commander, First Division under Brig. Gen. Franz Sigel
12th MO: Maj. H. Wangelin, 17th MO: Maj. A. Poten, 25th IL: Col. W. Coler, 36th IL: Col. N. Gruesel, 44th IL: Col. C. Knobelsdorff, Welfley's MO Battery, 4th OH Battery: Capt. L. Hoffmann

May 10:

Permanent commander, Third Division under Maj. Gen. Samuel Curtis
3rd MO: Col. Shepard, 12th MO: Maj. H. Wangelin, 17th MO: Col. F. Hassendeubel, 1st MO Home Guards: Col. R. Rombauer (attached later), 4th MO Cav. (Fremont Hussars): Col. G. Waring, 5th MO Cav. (Benton's Hussars): Col. J. Nemett, Battalion of 6th MO Cavalry: Maj. Hawkins, 5th KS Cav.: Col. P. Clayton (attached later), Welfley's MO Battery, 4th OH Battery: Capt. L. Hoffmann, 2nd OH Battery: Capt. Carlin

June 9: Appointed Brigadier General

1863

Army of the Mississippi, XIII Corps

Jan. 6: Commander, Second Division under Brig. Gen. George Morgan, corps commander

1st Brigade: Col. L. Sheldon
118th IL: Col. J. Fonda, 69th IN: Col. T. Bennett, 120th OH: Col. D. French

2nd Brigade: Col. D. Lindsay 49th IN: Col. J. Keigwin, 3rd KY: Col. Clark, 114th OH: Lt. Col. H. Maynard

3rd Brigade: Col. J. DeCourcy
54th IN: Col. F. Mansfield, 22nd KY: Maj. M. Worthington, 16th OH: Capt. E. Botsford, 42nd OH: Lt. Col. D. Pardee

Artillery: 7th MI Light: Capt. C. Lanphere, 1st WI Light: Capt. J. Foster

Army of the Tennessee, XIII Corps

Jan. 30: Commander, Ninth Division under Maj. Gen. John McClernand/O. C. Ord

1st Brigade: Co. T. Garrard
118th IL: Col. J. Fonda, 49th IN: Col. J. Keigwin, 69th IN: Col. T. Bennett, 7th KY: Capt. E. Treadway, 120th OH: Col. M. Spiegel

2nd Brigade: Col. L. Sheldon
54th IN: Col. F. Mansfield, 22nd KY: Maj. W. Worthington, 16th OH: Capt. E. Botsford, 42nd OH: Lt. Col. D. Pardee, 114th OH: Col. J. Cradlebaugh

Cavalry Battalion: 3rd IL, Co. A and K: Capt. Cornahan Artillery: 7th MI Light: Capt. C. Lanphere, 1st WI Light: Capt. J. Foster/Lt. C. Kimball

Army of the Tennessee, XV Corps

Sept. 1: Commander, First Division under Maj. Gen. W. T. Sherman/ Frank Blair/ Joseph Hooker

1st Brigade: Brig. Gen. C. Woods
3rd MO: Lt. Col. T. Meumann, 12th MO: Col. H. Wangelin/Lt. Col. J. Kaercher, 17th MO: Lt. Col. J. F. Cramer, 27th MO: Col. T. Curly, 29th MO: Col. Peckham/ Maj. Murphy, 31st MO: Lt. Col. S. Simpson, 32nd MO: Lt. Col. H. Warmoth, 76th OH: Maj. W. Warner, 13th IL: Col. A. Gorgas/Lt. Col. Partridge

2nd Brigade: Col. J. Williamson
4th Iowa: Lt. Col. S. Nichols, 9th Iowa: Col. D. Carskadden, 25th Iowa: Col. G. Stone, 26th Iowa: Col. M. Smith, 31st Iowa: Col. Wm. Smyth

Artillery: Capt. H. Griffiths
1st Iowa Light: Capt. H. Griffiths, 2nd MO Light, Batt. F: Capt. C. Landgraeber, 4th OH Light: Capt. G. Froehlich

1864

Army of the Tennessee, XV Corps

Jan. 1: Commanded reconfigured First Division under Maj. Gen. John A. Logan

1st Brigade: Brig. Gen. C. Woods
26th Iowa: Col. M Smith, 30th Iowa: Col. A. Roberts, 27th MO: Col. T. Curly, 76th OH: Col. W. Woods

2nd Brigade: Brig. Gen. J. Williamson
4th Iowa: Lt. Col. S. Nichols, 9th Iowa: Col. D. Carskadden, 25th Iowa: Col. G. Stone, 31st Iowa: Col. Wm. Smyth

3rd Brigade: Col. H. Wangelin
3rd MO: Col. T. Meumann, 12th MO: Lt. Col. J. Kaercher, 17th MO: Maj. F. Romer, 29th MO: Lt. Col. J. Gage, 31st MO: Lt. Col. S. Simpson, 32nd MO: Maj. A. Seay

Artillery: Maj. C. Landgraeber
2nd MO Light: Capt. L. Voelkner, 4th OH Light: Capt. G. Froehlich

July 22: Appointed Major General

Sept. 22: Assumed temporary command of XV Corps under Maj. Gen. O. O. Howard

First Division: Brig. Gen. C. Woods
Second Division: Brig. Gen. W. Hazen
Third Division: Brig. Gen. J. E. Smith
Fourth Division: Brig. Gen. J. Corse

1865

Division of West Mississippi

Feb. 16: Appointed Chief of Staff for Maj. Gen. E. R. S. Canby

May 27: Appointed Military Governor, District of Miss. under Maj. Gen. E. R. S. Canby/ Sheridan/Slocum

1866

Jan.15: Mustered out of service

June 16: Appointed U. S. Consul to Lyon, France