- Warfare (battles, actions, etc)
1994 Black Hawk shootdown incident · 1994 Fairchild Air Force Base B-52 crash · 2007 United States Air Force nuclear weapons incident · Action of 13 January 1797 · Actions along the Matanikau · Algerian Civil War · Anglo-Zanzibar War · Attack on Sydney Harbour · Axis naval activity in Australian waters · Battle of Albuera · Battle of Arras (1917) · Battle of Austerlitz · Battle of Badr · Battle of Barrosa · Battle of Bicocca · Battle of Blenheim · Battle of Concepción · Battle of Dyrrhachium (1081) · Battle of Cape Esperance · Battle of Cannae · Battle of Ceresole · Battle of Dien Bien Phu · Battle of Edson's Ridge · Battle of Goliad · Battle of Greece · Battle for Henderson Field · Battle of Khafji · Battle of Lipantitlán · Battle of Lissa (1811) · Battle of Midway · Battle of Moscow · Battle of Mount Austen, the Galloping Horse, and the Sea Horse · Battle of Musa Qala · Battle of Ramillies · Battle of Red Cliffs · Battle of Rennell Island · Battle of Savo Island · Battle of Schellenberg · Battle of Shiloh · Battle of Smolensk (1943) · Battle of Svolder · Battle of Tassafaronga · Battle of Tory Island · Battle of the Eastern Solomons · Battle of the Gebora · Battle of the Santa Cruz Islands · Battle of the Tenaru · Battle of Tulagi and Gavutu–Tanambogo · Battle of Verrières Ridge · Battle of Warsaw (1920) · Boshin War · British anti-invasion preparations of World War II · Campaign history of the Roman military · Carlson's patrol · Caspian expeditions of the Rus · Corinthian War · Crawford expedition · Cretan War · Defense of Sihang Warehouse · Finnish Civil War · German occupation of Luxembourg in World War I · Grass Fight · Glorious First of June · Guadalcanal Campaign · Invasion of Poland (1939) · Invasion of Tulagi (May 1942) · Italian War of 1521–1526 · Italian War of 1542–1546 · Koli Point action · Krulak Mendenhall mission · Lochry's Defeat · Lord's Resistance Army insurgency · Matanikau Offensive · Military history of France · Military history of Puerto Rico · Morotai Mutiny · Mozambican War of Independence · Nagorno-Karabakh War · Naval Battle of Guadalcanal · Omaha Beach · Operation Brevity · Operation Camargue · Operation Cobra · Operation Downfall · Operation Ke · Operation Epsom · Operation Tractable · Operation Uranus · Operation Varsity · Operation Wrath of God · Polish–Soviet War · Pontiac's Rebellion · Roman–Persian Wars · Second Ostend Raid · Siege of Malakand · Soviet invasion of Poland · Surrender of Japan · Operation Ten-Go · Third Battle of Kharkov · Third Servile War · Toledo War · Ulm Campaign · War against Nabis · War of the Fifth Coalition · War of the League of Cambrai · Warsaw Uprising (1794) · Western Front (World War I) · Yom Kippur War
- Armed forces
13th Airborne Division (United States) · 2nd Canadian Infantry Division · 3rd Battalion 3rd Marines · Able Archer 83 · AHS Centaur · Akutan Zero · Alaska class cruiser · AMX-30 · AMX-30E · Arena Active Protection System · Armament of the Iowa class battleship · Australian Defence Force · Abu Musab al-Zarqawi · B-17 Flying Fortress · Hovhannes Bagramyan · Heinrich Bär · Prince Louis of Battenberg · Battleship · Blitzkrieg · William Bostock · Juan Davis Bradburn · Byzantine navy · Cannon · Thomas Crisp · Andrew Cunningham, 1st Viscount Cunningham of Hyndhope · Tom Derrick · Dreadnought · F-4 Phantom II · Stanley Goble · Winfield Scott Hancock · Francis Harvey · Brian Horrocks · Edmund Herring · Hispanic Americans in World War II · HMAS Melbourne (R21) · HMS Ark Royal (91) · HMS Cardiff (D108) · HMS Royal Oak (08) · Imperial Japanese Navy · Iowa class battleship · Ironclad warship · George Jones (RAAF officer) · Bruce Kingsbury · Leopard 2E · Lince (tank) · Maryland and Virginia Rifle Regiment · Murray Maxwell · George B. McClellan · Military brat (U.S. subculture) · Military of the Democratic Republic of the Congo · Walter Model · Montana class battleship · Fred Moosally · Harry Murray · Panzer I · Arthur Ernest Percival · Pham Ngoc Thao · Edwin Taylor Pollock · Lazare Ponticelli · Port Chicago disaster · Pre-dreadnought battleship · Puerto Ricans in World War II · Raising the Flag on Iwo Jima · Rheinmetall 120 mm gun · S-mine · Uriel Sebree · William Tecumseh Sherman · Siege · Issy Smith · SM U-66 · SMS Moltke · SMS Von der Tann · Structural history of the Roman military · Ronald Niel Stuart · Swedish allotment system · T-26 · T-34 · TAM (tank) · Tanks in the Spanish Army · Paul Nobuo Tatsuguchi · Tetrarch (tank) · Thrasybulus · Benjamin Franklin Tilley · Timor Leste Defence Force · Le Quang Tung · United States Marine Corps · United States Military Academy · USS Bridgeport (AD-10) · USS Connecticut (BB-18) · USS Constitution · USS Illinois (BB-65) · USS Iowa (BB-61) · USS Iowa turret explosion · USS Kentucky (BB-66) · USS Missouri (BB-63) · USS New Jersey (BB-62) · USS Nevada (BB-36) · USS Princess Matoika (ID-2290) · USS Orizaba (ID-1536) · USS Siboney (ID-2999) · USS Wisconsin (BB-64) · Aleksandr Vasilevsky · Verdeja · Blair Anderson Wark · John Whittle · Richard Williams (RAAF officer)
1984 Rajneeshee bioterror attack doesn't really fit anywhere; perhaps under Law as a crime?