Gettysburg
Antietam. The battle is often known as Sharpsburg by Southerners.
Antietam/Sharpsburg (Maryland)
Antietam (or Sharpsburg to the Confederates)
the union forces defeated the confederate forces
You're probably thinking of Sharpsburg. The Union referred to it as the Battle of Antietam (after Antietam Creek) while the Confederacy referred to it as the Battle of Sharpsburg.
The Confederate forces defeated the Union forces.
Pemberton commanded the Confederate forces.
The only Union states that WERE invaded by Confederate military forces were Pennsylvania and Maryland.
General Robert E. Lee was in overall command of the Confederate forces at the battle of Petersburg.
Lee commanded the Confederate forces.
The Battle of the Red Hills, also known as the Battle of Red Hills, took place on March 11, 1865, during the American Civil War. It occurred in the vicinity of the Red Hills area in Alabama. This battle was part of the larger campaign in the region as Union and Confederate forces clashed in the waning days of the war.
Battle of Gettysburg