Opdycke, Emerson
A prominent Union general officer, Ohioan Emerson Opdycke played significant roles at the Battle of Chattanooga and the Battle of Franklin. Continue Reading »
Ord, Edward Otho Cresap
A career United States Army officer, Edward O.C. Ord played major leadership roles in both theaters of the American Civil War and as commander of the Department of the Ohio at the conclusion of hostilities. Continue Reading »
Parker, Ely Samuel
Ely Samuel Parker was General Ulysses S. Grant’s personal secretary for the last years of the American Civil War. He also served as Commissioner of Indian Affairs during Grant’s presidency. Continue Reading »
Pemberton, John Clifford
Vilified by Northerners for leaving the U.S. Army to fight for the South, and by Southerners for surrendering Vicksburg, Pennsylvanian, John C. Pemberton rose to the rank of lieutenant general in the Confederate Army during the American Civil War. Continue Reading »
Pendleton, George H.
George Hunt Pendleton was a Democratic Congressman and Senator from Ohio. A leading Peace Democrat during the American Civil War, Pendleton was also the sponsor of the Pendleton Civil Service Reform Act of 1883. Continue Reading »
Pickett, George
A prominent Confederate commander during the American Civil War, George Edward Pickett is most remembered for leading a failed assault at Cemetery Ridge during the Battle of Gettysburg. Continue Reading »
Pierson, William Seward
William Seward Pierson was born on March 18, 1865 in Durham, Connecticut. He was a graduate of Yale University and eventually moved to Sandusky, Ohio, where he became mayor and a businessman. Pierson also was a member of the Science Lodge No.50, a Masonic organization, in Sandusky. Continue Reading »
Pillow, Gideon Johnson
A political appointee with little military experience prior to the American Civil War, Brigadier-General Gideon J. Pillow is most remembered for abandoning Fort Donelson in 1861 to avoid being captured by Federal soldiers. Continue Reading »
Pleasonton, Alfred
A prominent Union cavalry officer, Major General Alfred Pleasonton commanded the Cavalry Corps of the Army of the Potomac during the Gettysburg Campaign. Continue Reading »
Polk, Leonidas
An ordained Episcopal bishop, Confederate Lieutenant General Leonidas Polk was killed by a Union artillery shell at Pine Mountain, near Marietta, Georgia, on June 14, 1864. Continue Reading »
Pope, John
Major General John Pope was a prominent and controversial army officer who commanded the Union Army of Virginia at the Battle of Bull Run II. Continue Reading »
Porter, Fitz John
Fitz John Porter was a corps commander with the Union Army, whose career was ruined by court martial proceedings over his performance at the Battle of Bull Run II. Continue Reading »
Price, Sterling
Sterling Price was an antebellum governor of Missouri, United States Congressman, and prominent Confederate commander in the Western Theater of the American Civil War. Continue Reading »
Quantrill, William Clarke
William C. Quantrill was a Confederate irregular whose band of raiders employed guerrilla tactics in the Trans-Mississippi Theater of the Civil War to harass Union troops and terrorize Northern sympathizers. Continue Reading »
Reynolds, Daniel Harris
Ohio-born Daniel Harris Reynolds was a Confederate general, who served in the Far Western and Western Theaters of operations during the American Civil War. Continue Reading »
Reynolds, John Fulton
One of the Union's leading general officers, Major General John F. Reynolds was killed during the first day of fighting at the Battle of Gettysburg on July 1, 1863. Continue Reading »
During the American Civil War, Rienzi was Union General Philip Sheridan’s favorite horse. This steed’s exploits became immortalized in prose and also helped President Abraham Lincoln win reelection in 1864. Continue Reading »
Ripley, Roswell Sabine
Ohio-born Roswell Sabine Ripley was a Confederate brigadier general, who served with the Department of South Carolina and the Army of Northern Virginia during the American Civil War. Continue Reading »
Rosecrans, William
William S. Rosecrans was a prominent Union general who, perhaps unfairly, is best remembered for his role during the Union defeat at the Battle of Chickamauga. Continue Reading »
Schenck, Robert Cumming
Robert Cumming Schenck was an eight-time United States Congressman from Ohio and a major general in the Union army during the American Civil War. Continue Reading »

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Ohio Civil War Central: An Encyclopedia of the American Civil War