Answer:
Battle Of Bullrun: The First Battle of Bull Run, also known as the Battle of Manassas, marked the first major land battle of the American Civil War. On July 21, 1861, Union and Confederate armies clashed near Manassas Junction, Virginia.
Battle Of Gettysburg: The Battle of Gettysburg, fought in July 1863, was a Union victory that stopped Confederate General Robert E. Lee's second invasion of the North. More than 50,000 men fell as casualties during the 3-day battle, making it the bloodiest battle of the American Civil War