No. It marked the failure of Lee's planned invasion of Pennsylvania, and his army was nearly destroyed.
The battle also had a further significance that would lead to Confederate defeat - it gave Lincoln the credibility to issue the Emancipation Proclamation. This meant that Britain and France could not aid the South without looking pro-slavery.
The Battle of Gettysburg would be Lee's last incursion into the North. It was fought July 1-3, 1863 in Pennsylvania.
Gettysburg.
I believe it was the Battle of Midway.
Ended Confederate supremacy in Western Tennessee, and prepared the way for the liberation of the Mississippi. Also the Confederates' best General, Sidney Johnston, had been killed there, before he could have pulled-off any great tactical strokes.
Based upon common computation, about 10,000 battles, large and small were fought during the Civil War, of which the most important (battles and Campaigns) had been more than ten. They were: First Bull Run; Peninsular Campaign; Seize of New Orleans; Shiloh; Second Bull Run; Antietam; Fredericksburg; Chancellorsville; Gettysburg; Stone's River; The Final Campaign against Vicksburg; Chickamauga; Chattanooga; Atlanta Campaign; Overland Campaign; Siege of Petersburg; March to the Sea Campaign; Appomattox.
First big Union victory. It spelt the end of Confederate hopes in the West, and gave new credibility to Grant.
The Battle of Antietam had no effect on Southern hopes for winning European allies. As part of the aftermath of the aftermath of that battle, Lincoln issued the Emancipation Proclamation. That Proclamation ended any possibility of the South gaining European allies.
The Battle of Gettysburg would be Lee's last incursion into the North. It was fought July 1-3, 1863 in Pennsylvania.
The US Civil War Battle of Liberty was a small Confederate victory. It was fought in Missouri in 1861. The Missouri militias loyal to the South kept their hopes for success alive.
The battle of Gettysburg.
Gettysburg
It marked the beginning of the end for Confederate hopes of dominating Tennessee and the Mississippi.
Death of the highly-respected Confederate General Sidney Johnston, and the beginning of the end of Confederate hopes of dominating Western Tennessee and the Mississippi.
Gettysburg.
It signalled the end of Confederate hopes of controlling Western Tennessee and the Mississippi. It also saw the death of the Confederate General Sidney Johnston, some say the best General in the South.
I believe it was the Battle of Midway.
The American Civil War. It is generally considered the key battle, when Lee's hopes of invading the North failed, and Confederate fortunes in the East went downhill all the way after that. It occurred on the same day as Grant's victory at Vicksburg, liberating the Mississippi and ending the war in the West, enabling the Union forces to consolidate.