The U.S. Navy traces its origins to the Continental Navy, which
was established during the American Revolutionary War and
was effectively disbanded as a separate entity shortly thereafter.
After suffering significant loss of goods and personnel at the
hands of the Barbary pirates from Algiers, the U.S. Congress
passed the Naval Act of 1794 for the construction of six heavy
frigates, the first ships of the U.S. Navy.
Naval battle between the USS Constitution and the HMS Guerriere on August 19, 1812.