It took place into Hampton Roads.
It was the first battle between ironclad ships.
261 people died at the Battle of the Monitor and Merrimack (renamed the CSS Virginia).
The first battle between ironclads at Hampton Roads turned out to be a draw. The battle between the USS Monitor and the Confederate Merrimack became a moot point as they never battled again. The South had to sink the CSA Merrimack as it took in too much water. The USS Monitor, was in a draw with the Merrimack, and eventually was lost at sea. As it turned out, the gains would have been minimal.
In the Monitor vs. Merrimack battle during the Civil War, there were no casualties.
The Monitor vs. Merrimack battle was fought on March 9, 1862 during the American Civil War.
The Merrimac,
The monitor vs. Merrimack took place in 1862.
If the question asks only about the crews of the two ships, the Monitor had a crew of 59, and the Merrimack had 320, but the entire two-day Battle of Hampton Roads involved thousands more. The Merrimack was joined by five CSN gunboats, and there were five USN warships at Hampton Roads. [The Merrimack sank two of them before the Monitor arrived.]
Hampton Roads
1st battle btwn iron ships
The battle was the first one fought between two ironclads and signed the unrestrainable decline of the wooden warship's era.
The Union Monitor and the Confederate Merrimack, renamed the Virginia, traded blows in Hampton Roads for several hours but neither was able to disable the other. Eventually both ships retreated to their bases, the Virginia more the worse for wear, and never met again.