During the US Civil War, Union and Confederate ships fought naval battles all over the world.
She took 38 prizes and more than 1,000 prisoners, some of them joining the Confederate ship.
From there, Shenandoah terrorized American ships in sea lanes around the Cape of Good Hope, through the Pacific, and into the Bering Sea off Alaska.
Even after the Civil War was over, Shenandoah continued her Pacific rampage.
The skipper just didn't believe Lee's surrender ended the war, even when American whaling captains told him so.