The 4th Indiana Volunteer Cavalry Regiment, originally organized as the 77th Indiana Infantry Regiment in Indianapolis on August 22, 1862, was redesignated as cavalry while still forming. Under the command of Colonel Isaac P. Gray, the regiment was divided into two main battalions for operational purposes. Major John A. Platter commanded the first battalion, which consisted of four companies stationed in Henderson, Kentucky, while Colonel Gray led the remaining companies into the interior of Kentucky. During its early service, the regiment's primary mission was reconnaissance operations against Confederate cavalry commander John Hunt Morgan, who posed a significant threat to Union control of Kentucky through bushwhacker and guerrilla warfare tactics. This engagement near Madisonville, Kentucky represented one of the regiment's initial combat operations in fulfilling this critical defensive role.
On August 26, 1862, Major Platter's battalion engaged Confederate troops in a skirmish near Madisonville, Kentucky. This action marked the regiment's first significant combat encounter during the Civil War. The skirmish occurred as part of broader Union efforts to maintain control of Kentucky and counter Morgan's cavalry operations in the region. The specific details of the tactical engagement—including troop dispositions, commanders of the opposing Confederate forces, or the precise sequence of combat operations—are not provided in the available historical record.
The skirmish near Madisonville demonstrated the 4th Indiana Cavalry Regiment's early commitment to active operations against Confederate forces in Kentucky. Following this engagement, the regiment continued its reconnaissance and counter-guerrilla operations, with Major Platter's battalion engaging Confederate troops again at Mount Washington, Kentucky on October 1, 1862, indicating the regiment maintained sustained pressure against Confederate activities in the region throughout the fall of 1862.
The American Civil War (1861–1865) was the deadliest conflict in American history, killing an estimated 620,000 to 750,000 soldiers and an unknown number of civilians. The Confederate States of America, formed by eleven seceding Southern states, faced the Union in four years of warfare across 23 states and territories. Major engagements included First and Second Bull Run, Antietam (the bloodiest single day in American history, September 17, 1862), Chancellorsville, Gettysburg (July 1–3, 1863), Vicksburg (surrendered July 4, 1863), and Sherman's March through Georgia and the Carolinas (1864–1865). President Lincoln issued the Emancipation Proclamation on January 1, 1863, transforming the war's stated purpose to include the abolition of slavery and enabling the enlistment of approximately 180,000 Black men in the United States Colored Troops. Confederate General Robert E. Lee surrendered to Ulysses S. Grant at Appomattox Court House on April 9, 1865. The war resolved the question of secession and ended American slavery, though Reconstruction would face sustained resistance in its attempt to secure civil rights for formerly enslaved people.
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