Subcategories - Ships, Naval History
- Niels Juel
- Norse Expeditions
- North Korea Seizes U.S. Navy Ship Pueblo
- Nuclear Submarine Helps Find Ancient Roman Shipwrecks in Mediterranean
- Oil Tankers Collide near Tobago
- Oliver Hazard Perry
- Palestinians Seize Achille Lauro Cruise Ship
- The Panama Canal Opens
- Panama Takes Full Control of Panama Canal
- Pearl Harbor Attack
- Pedro de Alvarado
- Pedro Menéndez de Avilés
- Pěro da Covilhã
- Piet Hein
- The Pinzón Brothers
- Piracy
- Ponce de León’s Voyages
- Prince Henry the Navigator Promotes Portuguese Exploration
- Ralph Abercromby
- Raymond A. Spruance
- Richard Byrd
- Richard Howe
- Roald Amundsen
- Robert Blake
- Robert Duane Ballard
- Russian Voyages to Alaska
- Samuel de Champlain
- Scylax of Caryanda Voyages the Indian Ocean
- Siege of Charleston
- Siege of Port Arthur
- Sinking of the Rainbow Warrior
- Sir Francis Drake
- Sir Martin Frobisher
- Sir Richard Francis Burton
- Sir Richard Grenville
- Sir Walter Ralegh
- Southeast Asians Migrate into the South Pacific
- Spanish Armada
- The St. Lawrence Seaway Is Completed
- Stephen Decatur
- Submarine
- Suez Canal Is Built
- Supertankers Begin Transporting Oil
- Thomas Cavendish
- Thomas Cochrane
- Thor Heyerdahl
- The Torrey Canyon Runs Aground
- Tripolitan War
- U.S. Coast Guard
- U.S. Cruiser Vincennes Shoots Down Iranian Airliner
