The Battle of Gettysburg and the Siege at Vicksburg
The bombardment of Fort Sumter near Charleston, South Carolina by the South Carolina militia, and the return gunfire and subsequent surrender by the United States Army, that started the American Civil War.
SEPT. 1862, the first major battle fought on Northern soil.
July 1863, General Lee invaded the North and was met by the Union army at Gettysburg, PA.May, July 1863, the North captured the Confederate stronghold of Vicksburg, Mississippi. The Siege of Vicksburg gave the Union control of the Mississippi River.