** Naval NCO Academy " Walter Steffens " in Parow ( naval training of NCOs and seamen )

** Naval Officers Academy " Karl Liebknecht " in Stralsund ( training of naval officers )

** Alfred Walton Hinds, 17th Naval Governor of Guam ( b. 1874 )

** The Naval Battle of Guadalcanal ends: Although the United States Navy suffers heavy losses, it retains control of Guadalcanal.

** John C. Waldron, United States Naval aviator and commander of Torpedo Squadron 8, killed at the Battle of Midway ( b. 1900 )

** Lofton R. Henderson, United States Naval aviator and commanding officer of VMSB-241, died at the Battle of Midway ( b. 1903 )

** William Michael Crose, United States Navy Commander and the seventh Naval Governor of American Samoa ( b. 1867 )

** The USS Tuscaloosa, USS New Orleans, USS Tennessee and USS West Virginia are struck from the Naval Vessel Register.

** WWII: U. S. President Franklin D. Roosevelt signs the Naval Expansion Act into law, which aims to increase the United States Navy's tonnage by 11 %.

** Five Power Naval Disarmament Treaty signed between United States, Britain, Japan, France, and Italy

** Naval Station Norfolk, a major U. S. Navy base in Norfolk, Virginia

** Norfolk Naval Shipyard, located in nearby Portsmouth, Virginia

** United States Naval Observatory Flagstaff Station, Arizona, when recording astronomical observations

** Naval Air Station Brunswick

** École Navale ( French Naval Academy ) ( in Lanvéoc next to Brest )

** The Naval Hydrographic and Oceanographic Service ( SHOM )

** Concord Naval Weapons Station

** Salamis Naval Base-Greek naval base on Salamis Island

** Naval Auxiliary Air Station Charlestown

** Naval Surface Warfare Center Dahlgren Division

** United States Naval Academy

** IX-Bombardment by Naval Forces in Time of War

** XI-Certain Restrictions with Regard to the Exercise of the Right of Capture in Naval War

** XIII-The Rights and Duties of Neutral Powers in Naval War

** Ministers of Defence of Estonia

** Ministry of Defence ()

** Ten-Day War ( 1991 ) – a brief military conflict between Slovenian TO ( Slovenian Territorial Defence ) and the Yugoslav People's Army ( JNA ) following Slovenia's declaration of independence.

** In Ciskei, members of the Ciskei Defence Force loyal to dictator Oupa Gqozo open into a crowd of anti-Gqozo protestors organized by the African National Congress, killing at least 28 people and wounding nearly 200.

** Milltown Cemetery Attack: During the funeral of three Provisional IRA members in Milltown Cemetery in Belfast, Northern Ireland, Ulster Defence Association ( UDA ) member Michael Stone attacked the crowd with grenades and pistols, killing three and wounding over sixty.

** Recruitment begins in Britain for a home defence force: the Local Defence Volunteers, later known as the Home Guard.

** In Northern Ireland, Protestant Ulster Defence Association Belfast leader John Gregg is killed by a loyalist faction.

** The body of David Kelly, a scientist at the Ministry of Defence, is found a few miles from his home, leading to the Hutton inquiry.

** Defence Signals Directorate ( DSD )

** Defence Intelligence Organisation ( DIO )

** Defence Imagery and Geospatial Organisation ( DIGO )

** Sabre Defence

** Sergey Leonidovich Sokolov, Minister of Defence of Soviet Union ( b. 1911 )

** Pavel Grachev, Defence Minister of the Russian Federation ( b. 1948 )

** Stonewall Variation in the Dutch Defence

** Canal Defence Light

** Die Sturmgesellen: Ein Wort zur Abwehr (" Stormfellows: a Defence ", essay, 1903 )

** The Second World War: Defence of Arras, Ypres-Comines Canal, Dunkirk 1940, Somme 1940, St. Valery-en-Caux, Saar, Breville, Odon, Fontenay le Pesnil, Defence of Rauray, Caen, Falaise, Falaise Road, La Vie Crossing, Le Havre, Lower Maas, Venlo Pocket, Ourthe, Rhineland, Reichswald, Goch, Rhine, North-West Europe 1940 ' 44-45, Barkasan, British Somaliland 1940, Tobruk 1941, Tobruk Sortie, El Alamein, Advance on Tripoli, Medenine, Zemlet el Lebene, Mareth, Akarit, Wadi Akarit East, Djebel Roumana, Medjez Plain, Si Mediene, Tunis, North Africa 1941-43, Landing in Sicily, Vizzini, Sferro, Gerbini, Adrano, Sferro Hills, Sicily 1943, Cassino II, Liri Valley, Advance to Florence, Monte Scalari, Casa Fortis, Rimini Line, Casa Fabbri Ridge, Savio Bridgehead, Italy 1944-45, Athens, Greece 1944-45, Crete, Heraklion, Middle East 1941, Chindits 1944, Burma 1944

** William Bullein-Bullein's Bulwarke of Defence againste all Sicknes, Sornes, and Woundes

** 13 January 1957-14 October 1959 Minister of Defence

** Ministry of Civil Defence & Emergency Management ( Te Rākau Whakamarumaru )

** Weather and Environmental Prediction and Services ( Defence Weather Services, Marine and Ice Services Ice Service ), National Weather Predictions, Weatheradio Canada, a national system of emergency weather broadcast transmitters )

** Deputy Chief of the Defence Staff