** 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.

** The Naval Defence Act dictates that the fleet strength of the British Royal Navy must be equal to that of at least any two other countries.

** 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 )

** 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

** Three-Dimensional Animation and Computer Generated Imagery

** New Zealand Geospatial Office

** Geospatial, Research, Analysis, and Services Program

** Islamic Dawa Party-Iraq Organisation ( Hizb al-Da ' wa al-Islami Tendeem al-Iraq )-led by Kasim Muhammad Taqi al-Sahlani

** IPCC Organisation

** The Organisation of the Islamic Conference Charter is signed ( effective 28 February 1973 ).

** The Organisation armée secrète ( OAS ) bombs the French Foreign Ministry.

** Raoul Salan, founder of the French terrorist Organisation armée secrète, is sentenced to life imprisonment in France.

** Australian Security Intelligence Organisation Act 1979 ( ASIO Act )

** Australian Security Intelligence Organisation Legislation Amendment ( Terrorism ) Act 2002

** Business & Organisation Division

** Primary Health Organisation ( New Zealand )

** Directorate of Organisation

** Directorate of Recruiting and Organisation

** Organisation and Work Science ( Norwegian abbreviation: ORAL )

** Islamic Dawah Organisation of Afghanistan ( Tanzim-e Dahwat-e Islami-ye Afghanistan )

** Islamic Action Organisation

** Islamic Dawa Party-Iraq Organisation

** Come Organisation, its record label

** Department of Management & Organisation

** Central Statistical Organisation, India

** Jean-Baptiste Lamarck publishes Recherches sur l ' Organisation des Corps Vivants, proposing that all life is organized in a vertical chain of progressive complexity.

** World Intellectual Wealth Organisation Proposed, October 2004

** Organisation / prioritisation of the strabismus surgical admissions list according to agreed criteria

** Żydowska Organizacja Bojowa ( ZOB, the Jewish Fighting Organisation ), Jewish resistance movement that led the Warsaw Ghetto Uprising in 1943

** Defence Materiel Organisation