Peter Joseph Osterhaus (January 4, 1823 – January 2, 1917) was a

German-American German Americans (german: Deutschamerikaner, ) are Americans who have full or partial German ancestry. With an estimated size of approximately 43 million in 2019, German Americans are the largest of the self-reported ancestry groups by the Unite ...

Union Army During the American Civil War, the Union Army, also known as the Federal Army and the Northern Army, referring to the United States Army, was the land force that fought to preserve the Union (American Civil War), Union of the collective U.S. st ...

general in the

American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States. It was fought between the Union ("the North") and the Confederacy ("the South"), the latter formed by states th ...

and later served as a diplomat.

Early life

Osterhaus was born in

Koblenz Koblenz (; Moselle Franconian language, Moselle Franconian: ''Kowelenz''), spelled Coblenz before 1926, is a German city on the banks of the Rhine and the Moselle, a multi-nation tributary. Koblenz was established as a Roman Empire, Roman mili ...

Rhenish Prussia The Rhine Province (german: Rheinprovinz), also known as Rhenish Prussia () or synonymous with the Rhineland (), was the westernmost province of the Kingdom of Prussia and the Free State of Prussia, within the German Reich, from 1822 to 1946. It ...

, the son of Eleanora (Kraemer) and Josef Adolf Oisterhusz. He attended the Berlin Military Academy and after serving for some time as a

Prussian Army The Royal Prussian Army (1701–1919, german: Königlich Preußische Armee) served as the army of the Kingdom of Prussia. It became vital to the development of Brandenburg-Prussia as a European power. The Prussian Army had its roots in the co ...

officer and finding himself on the losing side in the

Revolutions of 1848 The Revolutions of 1848, known in some countries as the Springtime of the Peoples or the Springtime of Nations, were a series of political upheavals throughout Europe starting in 1848. It remains the most widespread revolutionary wave in Europea ...

, he immigrated to the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

in 1858 and settled in

St. Louis St. Louis () is the second-largest city in Missouri, United States. It sits near the confluence of the Mississippi and the Missouri Rivers. In 2020, the city proper had a population of 301,578, while the bi-state metropolitan area, which e ...

Missouri Missouri is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it is bordered by eight states (tied for the most with Tennessee ...

Civil War

At the outbreak of the Civil War Osterhaus was appointed a

major Major (commandant in certain jurisdictions) is a military rank of commissioned officer status, with corresponding ranks existing in many military forces throughout the world. When used unhyphenated and in conjunction with no other indicators ...

of the 2nd Missouri Volunteer Infantry and during the first year of the war was employed in

and

Arkansas Arkansas ( ) is a landlocked state in the South Central United States. It is bordered by Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, and Texas and Oklahoma to the west. Its name is from the Osage ...

, where he took a conspicuous part in the

Battle of Wilson's Creek The Battle of Wilson's Creek, also known as the Battle of Oak Hills, was the first major battle of the Trans-Mississippi Theater of the American Civil War. It was fought on August 10, 1861, near Springfield, Missouri, Springfield, Missou ...

and

Battle of Pea Ridge The Battle of Pea Ridge (March 7–8, 1862), also known as the Battle of Elkhorn Tavern, took place in the American Civil War near Leetown, northeast of Fayetteville, Arkansas. Federal forces, led by Brig. Gen. Samuel R. Curtis, moved south ...

. At Pea Ridge he commanded the troops that first made contact with

Confederate Confederacy or confederate may refer to: States or communities * Confederate state or confederation, a union of sovereign groups or communities * Confederate States of America, a confederation of secessionist American states that existed between 1 ...

forces advancing on the Union left. He was promoted to

brigadier general Brigadier general or Brigade general is a military rank used in many countries. It is the lowest ranking general officer in some countries. The rank is usually above a colonel, and below a major general or divisional general. When appointed ...

on June 9, 1862. In 1863 he commanded a division in the

Battle of Port Gibson The Battle of Port Gibson was fought near Port Gibson, Mississippi, on May 1, 1863, between Union and Confederate forces during the Vicksburg Campaign of the American Civil War. The Union Army was led by Maj. Gen. Ulysses S. Grant, and was victo ...

, where he displayed tactical ability in prying Confederate defenders out of a favorable position. 21-32-114-osterhaus

Osterhaus continued in division command during the

Vicksburg Campaign The Vicksburg campaign was a series of maneuvers and battles in the Western Theater of the American Civil War directed against Vicksburg, Mississippi, a fortress city that dominated the last Confederate-controlled section of the Mississippi Riv ...

, fighting in the

Battle of Champion Hill The Battle of Champion Hill of May 16, 1863, was the pivotal battle in the Vicksburg Campaign of the American Civil War (1861–1865). Union Army commander Maj. Gen. Ulysses S. Grant and the Army of the Tennessee pursued the retreating Confe ...

and at the

Battle of Big Black River Bridge The Battle of Big Black River Bridge was fought on May 17, 1863, as part of the Vicksburg Campaign of the American Civil War. After a Union army commanded by Major General Ulysses S. Grant defeated Lieutenant General John C. Pemberton's Confed ...

, where he was slightly wounded. Osterhaus's division made an unsuccessful first attack on the defenses of Vicksburg, the first act of the

Siege of Vicksburg The siege of Vicksburg (May 18 – July 4, 1863) was the final major military action in the Vicksburg campaign of the American Civil War. In a series of maneuvers, Union Maj. Gen. Ulysses S. Grant and his Army of the Tennessee crossed the Missis ...

. His division helped cover the siege against intervention by the Confederate forces of Gen.

Joseph E. Johnston Joseph Eggleston Johnston (February 3, 1807 – March 21, 1891) was an American career army officer, serving with distinction in the United States Army during the Mexican–American War (1846–1848) and the Seminole Wars. After Virginia secede ...

, and he took part in Maj. Gen.

William T. Sherman William is a male given name of Germanic origin.Hanks, Hardcastle and Hodges, ''Oxford Dictionary of First Names'', Oxford University Press, 2nd edition, , p. 276. It became very popular in the English language after the Norman conquest of Engl ...

's advance on

Jackson, Mississippi Jackson, officially the City of Jackson, is the Capital city, capital of and the List of municipalities in Mississippi, most populous city in the U.S. state of Mississippi. The city is also one of two county seats of Hinds County, Mississippi, ...

, that was designed to protect the rear of the

Army of the Tennessee An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on ...

in its siege operations. After the fall of Vicksburg, Osterhaus's division was transferred to

Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to th ...

. In the Chattanooga Campaign he aided Maj. Gen.

Joseph Hooker Joseph Hooker (November 13, 1814 – October 31, 1879) was an American Civil War general for the Union, chiefly remembered for his decisive defeat by Confederate General Robert E. Lee at the Battle of Chancellorsville in 1863. Hooker had serv ...

in the capture of

Lookout Mountain Lookout Mountain is a mountain ridge located at the northwest corner of the U.S. state of Georgia, the northeast corner of Alabama, and along the southeastern Tennessee state line in Chattanooga. Lookout Mountain was the scene of the 18th-cen ...

. Osterhaus then participated in the Atlanta Campaign but a month-long sick leave caused him to miss the crucial

Battle of Atlanta The Battle of Atlanta was a battle of the Atlanta Campaign fought during the American Civil War on July 22, 1864, just southeast of Atlanta, Georgia. Continuing their summer campaign to seize the important rail and supply hub of Atlanta, Uni ...

. However, he returned to command and played a significant role in the

Battle of Jonesborough The Battle of Jonesborough (August 31–September 1, 1864) was fought between Union Army forces led by William Tecumseh Sherman and Confederate forces under William J. Hardee during the Atlanta Campaign in the American Civil War. On the first ...

. After the capture of

Atlanta Atlanta ( ) is the capital and most populous city of the U.S. state of Georgia. It is the seat of Fulton County, the most populous county in Georgia, but its territory falls in both Fulton and DeKalb counties. With a population of 498,715 ...

, he received command of the

XV Corps 15th Corps, Fifteenth Corps, or XV Corps may refer to: *XV Corps (British India) * XV Corps (German Empire), a unit of the Imperial German Army prior to and during World War I * 15th Army Corps (Russian Empire), a unit in World War I *XV Royal Bav ...

, one of the four corps into which the army was consolidated, in the

Sherman's March to the Sea Sherman's March to the Sea (also known as the Savannah campaign or simply Sherman's March) was a military campaign of the American Civil War conducted through Georgia from November 15 until December 21, 1864, by William Tecumseh Sherman, major ...

. In March 1865 Osterhaus was appointed

chief of staff The title chief of staff (or head of staff) identifies the leader of a complex organization such as the armed forces, institution, or body of persons and it also may identify a principal staff officer (PSO), who is the coordinator of the supporti ...

in the Military Division of West Mississippi under the command of Maj. Gen.

Edward Canby Edward Richard Sprigg Canby (November 9, 1817 – April 11, 1873) was a career United States Army officer and a Union general in the American Civil War. In 1861–1862, Canby commanded the Department of New Mexico, defeating the Confederate Gene ...

, a commander with little combat experience in high command. Osterhaus served Canby through the battles of Spanish Fort and

Fort Blakely A fortification is a military construction or building designed for the defense of territories in warfare, and is also used to establish rule in a region during peacetime. The term is derived from Latin ''fortis'' ("strong") and ''facere'' ...

. When

Edmund Kirby Smith General Edmund Kirby Smith (May 16, 1824March 28, 1893) was a senior officer of the Confederate States Army who commanded the Trans-Mississippi Department (comprising Arkansas, Missouri, Texas, western Louisiana, Arizona Territory and the Indi ...

surrendered the Confederate forces in the Trans-Mississippi Theater, Osterhaus was sent as Canby's representative and therefore personally signed the documents on behalf of the Union army. He was mustered out of the service on January 15, 1866, and the same year was appointed United States Consul at

Lyon Lyon,, ; Occitan: ''Lion'', hist. ''Lionés'' also spelled in English as Lyons, is the third-largest city and second-largest metropolitan area of France. It is located at the confluence of the rivers Rhône and Saône, to the northwest of t ...

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

, but subsequently made his home in

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

, at

Duisburg Duisburg () is a city in the Ruhr metropolitan area of the western German state of North Rhine-Westphalia. Lying on the confluence of the Rhine and the Ruhr rivers in the center of the Rhine-Ruhr Region, Duisburg is the 5th largest city in Nor ...

. He retired in 1905, and was in 1915 the oldest pensioner on the Army list. Osterhaus died in Duisburg and was buried in Koblenz, Germany. Some thought he was buried at the Koblenz Jewish Cemetery, perhaps as a Carmen Osterhaus, born in the 1850s, had been listed as a Holocaust victim. However, the family vault was instead located at "Der Hauptfriedhof Koblenz" (the main cemetery, or city cemetery, of Koblenz). The crypt no longer exists. Ruined by terrain shifts in 1969, it was then abandoned. In 2012, a marker was erected at the old site, jointly funded by the city of Koblenz and Osterhaus descendants, including biographer Mary Bobbitt Townsend.H. P. Kleber, ''Peter Joseph Osterhaus: ein deutsch-amerikanisches Leben''. Koblenzer Beitraege zur Geschichte und Kultur. New Series 2. 1992, p. 106.

Commemorations

Osterhaus is mentioned as losing a battle with

cavalry led by

Joseph Wheeler Joseph "Fighting Joe" Wheeler (September 10, 1836 – January 25, 1906) was an American military commander and politician. He was a cavalry general in the Confederate States Army in the 1860s during the American Civil War, and then a general in ...

on the Turkey Town Monument near

Gadsden, Alabama Gadsden is a city in and the county seat of Etowah County in the U.S. state of Alabama. It is located on the Coosa River about northeast of Birmingham and southwest of Chattanooga, Tennessee. It is the primary city of the Gadsden Metropolitan ...

References

* Eicher, John H., and Eicher, David J., ''Civil War High Commands'', Stanford University Press, 2001, . * Townsend, Mary Bobbitt. ''Yankee Warhorse: A Biography of Major General Peter Osterhaus'' (University of Missouri Press; 2010) 288 pages; scholarly biography * Woodworth, Steven E., ''Grant's Lieutenants,'' vol. 1: ''From Cairo to Vicksburg'', Lawrence: University of Kansas Press, 2001. *

Notes

External links