Wednesday, October 8. In Kentucky, the Battle of Perryville occurred as parts of General Don Carlos Buell’s Federals fought a portion of General Braxton Bragg’s Confederate army. Buell was unaware that a battle was taking place until afternoon due to an atmospheric phenomenon that prevented him from hearing the fighting. Part of Bragg’s force was still in Frankfort. The Federals fought off hard Confederate attacks until Bragg withdrew to the southeast. This was the largest battle fought in Kentucky, and it stopped the Confederate invasion of the state, just as Robert E. Lee’s invasion of Maryland had also been stopped.
Thursday, October 9. General Jeb Stuart led Confederate cavalry in a reconnaissance and raid into Maryland en route to Pennsylvania. Federal cavalry unsuccessfully tried stopping this ride around General George McClellan’s Army of the Potomac. The Confederate Congress established military courts with defined powers.
Friday, October 10. Braxton Bragg’s Confederates began their withdrawal from Kentucky. Jeb Stuart’s Confederate cavalry crossed the Potomac River into Maryland on the reconnaissance and raid of the Federal Army of the Potomac. Stuart reached Chambersburg, Pennsylvania by evening. In the Dakota Territory, Dakota Sioux Indians battled miners on the upper Missouri River below Fort Berthold. In Indiana, home guards drove off a band of Confederate guerrillas at Hawesville. President Jefferson Davis asked Virginia to provide 4,500 slaves to complete fortifications around Richmond. Confederate General John B. Magruder was assigned to command the Department of Texas.
Saturday, October 11. In Pennsylvania, Jeb Stuart’s Confederates drove residents and officials out of Chambersburg and cut telegraph wires, destroyed railroad depots and equipment, seized horses, and burned any supplies they could not take. Stuart then moved southeast toward Emmitsburg, Maryland. The Confederate commerce raider Alabama destroyed the grain ship Manchester. Jefferson Davis signed a bill into law adding more exemptions to the Confederate draft. The most controversial provision exempted an owner or overseer of over 20 slaves. Richmond newspapers began discussing a possible end of the war due to recent Confederate victories.
Sunday, October 12. Jeb Stuart’s Confederates crossed the Potomac back to Virginia after skirmishing at the mouth of the Monocacy River. General Earl Van Dorn assumed command of all Confederate troops in Mississippi. President Abraham Lincoln asked General Don Carlos Buell for updates in Kentucky; Lincoln was concerned that Buell was not pursuing the withdrawing Confederates fast enough.
Monday, October 13. The second session of the First Confederate Congress adjourned after approving a bill suspending habeas corpus (with some exceptions) until February 12, 1863. President Lincoln wrote a letter to George McClellan urging him to renew the offensive against Robert E. Lee in Virginia: “Are you not over-cautious when you assume that you can not do what the enemy is constantly doing?” Federal General Jacob D. Cox assumed command of the District of Western Virginia. In Kentucky, Braxton Bragg’s Confederates began moving through Cumberland Gap back to Tennessee.
Tuesday, October 14. In elections for congressional seats in Iowa, Ohio, Indiana, and Pennsylvania, Democrats gained seats in every state except Iowa. Many cited the Lincoln administration’s war policies and the Emancipation Proclamation as reasons why voters turned against Lincoln’s Republicans. Confederate General John C. Pemberton assumed command of the Department of Mississippi and Eastern Louisiana.
Civil War History 
I got a kick out of reading about Don Carlos Buell since I am one of his relatives