The Monitor and the Merrimack (Virginia) were the two famous ironclads that fought in the Battle of Hampton Roads.

The Civil War saw the first use of ironclad warships.

Clara Barton, who later founded the American Red Cross, was a nurse during the Civil War.

The Battle of Antietam was the bloodiest single-day battle in American history.

More than 620,000 soldiers died during the Civil War.

The Civil War is also known as the War Between the States.

Ulysses S. Grant was the leading general of the Union Army.

Robert E. Lee was the leading general of the Confederate Army.

The Union (Northern states) won the Civil War.

The war resulted in the abolition of slavery in the United States.