U-boat Archive preserves documents and photographs from the World War II submarine war and was still adding German patrol records in 2026. It is the kind of specialist historical site that becomes more useful every year it refuses to disappear.
Starforts.com catalogs bastioned fortifications around the world and explains why artillery changed medieval walls into geometric defensive systems covered in triangles, ravelins, and overlapping fields of fire.
V2Rocket.com is a deep technical and historical archive of the German A-4/V-2 program, covering design, deployment, surviving hardware, launch records, Peenemünde, forced labor at Mittelwerk, and the weapon's postwar legacy.
Napoleon Monuments documents memorials, graves, plaques, battle sites, buildings, statues, and restoration work connected to the Napoleonic era, turning surviving physical traces into a sprawling historical reference.
RomanMilitary.net has organized Roman army history since the late 1990s around weapons, armor, siege engines, forts, formations, tactics, soldier life, historical figures, quizzes, essay questions, and teacher resources.
SeaForces is a sprawling naval reference site organized around ship classes, submarines, international fleets, naval aviation units, weapons systems, and special reports rather than a modern news-feed interface.
World Naval Ships is a sprawling naval-history index organized by country, ship name, class, losses, ports, photographs, expeditions, navy lists, and other categories stretching from nineteenth-century fleets into the modern era.
CanadianSoldiers.com organizes official histories, bibliographies, unit information, campaign research, and military references into a specialist web library focused on Canada's 20th-century army.
RiverVet preserves photographs, unit history, training memories, operations, medical support, and first-person material from veterans of the U.S. Mobile Riverine Force in Vietnam.
Gary W. Cooke's personal site split into anime, military, science-fiction, and weapons reference sections, preserving the kind of hand-built specialist index that search engines rarely replace cleanly.
Ed Thelen started his site in 1996 and spent decades turning firsthand Nike missile experience, manuals, photographs, veteran recollections, and engineering notes into a public Cold War reference library.
World War 1 Naval Combat is a personal reference site focused on British and German surface warfare, with battle pages, ship losses, dispatches, pictures, maps, and a wonderfully candid warning not to trust its crude cartography too much.
Richard Moore's Napoleonic Guide grew into an independent reference of more than 4,000 pages covering Napoleon, battles, armies, marshals, weapons, medicine, uniforms, naval war, maps, books and the French Revolution.
The Great War Primary Documents Archive launched in 1995 and still organizes treaties, memoirs, images, naval material and other World War I sources in a classic Web structure.
Dan McKenzie's BunkerTours pages document Maginot Line ouvrages and fortifications with field photography and detail useful enough to be cited by later reference works.
The 90th Infantry Division Preservation Group built a deep research archive of unit histories, regulations, manuals, equipment and scanned primary documents around the WWII 'T-O' Division.
The old Trenches on the Web casualty table became a widely cited quick reference for World War I mobilization, deaths, wounds and missing or captured troops, while also showing why historical totals need context.