Given the task definition and input, reply with output. Given a text passage, come up with an appropriate title for it. The title should accurately represent what the main focus of the passage is. The title of a passage may be present in the first few sentences of the passage and/or be referred to multiple times in the passage. The title should be 1-5 words long.

The Battle of Cold Harbor was fought during the American Civil War near Mechanicsville , Virginia , from May 31 to June 12 , 1864 , with the most significant fighting occurring on June 3 . It was one of the final battles of Union Lt. Gen. Ulysses S. Grant 's Overland Campaign , and is remembered as one of American history 's bloodiest , most lopsided battles . Thousands of Union soldiers were killed or wounded in a hopeless frontal assault against the fortified positions of Confederate Gen. Robert E. Lee 's army .
Battle of Cold Harbor