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- M48 PattonCold War-era American medium tank
- M69 mortarThe M69 81 mm/82 mm medium weight mortar is a Yugoslavian-designed smooth bore, muzzle-loa
- M74 light mortarThe M74 mortar is designed by Military Technical Institute in Yugoslavia. It is smooth bor
- MacDonald HouseThe MacDonald House is a prominent building and monument in Singapore, located at Orchard
- MacDonald House bombing1965 bombing of the MacDonald House in Singapore
- Mahas bombingsOn 4 January 2023, an al-Shabaab double car bombing killed 35 people in Mahas District, Hi
- Mai Hữu XuânMajor General Mai Hữu Xuân was a general of the Army of the Republic of Vietnam (ARVN) and
- Maikel MorenoMaikel José Moreno Pérez (born 12 December 1965) is a lawyer, doctor of Venezuelan constit
- Malagasy Uprising1947–1949 anti-French revolt in Madagascar
- Malayan Emergency1948–1960 British colonial war in Malaya
- Malayang Pagkakaisa ng Kabataang PilipinoMalayang Pagkakaisa ng Kabataang Pilipino (Tagalog, "Free Union of Filipino Youth"), abbre
- Malaysia Airlines Flight 172014 aircraft shootdown over Ukraine
- Malaysia Airlines Flight 3702014 aircraft disappearance
- Mali WarOngoing conflict in West Africa since 2012
- Mandela DayNelson Mandela International Day (or Mandela Day) is an annual international day in honour
- ManifestoWritten declaration of principles and intentions
- Manley Laurence PowerAdmiral Sir Manley Laurence Power KCB, CBE, DSO & Bar, DL (10 January 1904 – 17 May 1981)
- MANSAMMANSAM or Women of Sudanese Civic and Political Groups is an alliance of eight political w
- Manuel Cristopher FigueraManuel Ricardo Cristopher Figuera is the former director of the Bolivarian National Intell
- Mao Zedong's cult of personalityMao Zedong's cult of personality was a prominent part of Chairman Mao Zedong's rule over t
- Maoism–Third WorldismCommunist political ideology
- March 1987 Turkish incursion into northern IraqThe March 1987 Turkish incursion into northern Iraq, by the Turkish Air Force, began on 4
- March 2018 Kabul suicide bombingA suicide bombing occurred on 21 March 2018 around 12:00 PM (7:30 AM UTC) in Kabul near Ka
- March on Washington1963 civil rights movement demonstration
- Marcos familyFilipino political family
- Marcos Japanese ODA scandalPolitical scandal
- Marcos jewelsJewelry collection
- Marcos loyalismSupporters of Ferdinand Marcos and Bongbong Marcos
- Marcos mansionsUpscale residences owned by the Ferdinand Marcos family
- Marianne von WeizsäckerMarianne Viktoria Armgard Helene Doria Freifrau von Weizsäcker (née von Kretschmann; 17 Ma
- Mario Ramírez TreviñoMario Armando Ramírez Treviño (born 5 March 1962), commonly referred to by his aliases El
- Maritime history of ChileThe Maritime history of Chile started when Chile gained independence, but traces it origin
- Mark 17 nuclear bombThe Mark 17 and Mark 24 were the first mass-produced hydrogen bombs deployed by the United
- Mark DrakefordFirst Minister of Wales from 2018 to 2024
- Mark MansLieutenant General Sir Mark Francis Noel Mans, KCB, CBE, DL (born 1955) is a senior Britis
- Marshall PlanAmerican initiative for foreign aid to Western Europe following World War II
- Martial law under Ferdinand Marcos1972–1981 period in the Philippines
- Martin KoblerMartin Kobler (born 1953 in Stuttgart) is a German former career diplomat who served as Ge
- Marxism–Leninism–MaoismCommunist political ideology
- Masagana 99Philippine agricultural program
- Masoud PezeshkianPresident of Iran since 2024
- Mass graves in ChechnyaIn Chechnya, mass graves containing hundreds of corpses have been uncovered since the begi
- Mass killingProposed concept for incidents of non-combat killing by a government or state
- Mass killings under communist statesMass killings under communist states occurred through a variety of means during the 20th c
- Mass media in Communist CzechoslovakiaThe mass media in Communist Czechoslovakia was controlled by the Communist Party of Czecho
- Massimo CarminatiMassimo Carminati (Italian pronunciation: ; born 31 May 1958), referred by the press as on
- Matabeleland North ProvinceMatabeleland North is a province in western Zimbabwe. With a population of 827,645 as of t
- Matabeleland South ProvinceMatabeleland South is a province in southwestern Zimbabwe. With a population of 683,893 as
- Mau Mau rebellionAnti-colonial Insurgency in Kenya (1952–1960)
- Maulvi OmarMaulvi Said Muhammad, better known as Maulvi Omar or Maulvi Umar, is a senior Taliban comm
- May 16 coup1961 military coup in South Korea
- May 68Period of civil unrest in France in 1968
- McCarthyismPhenomenon of US political rhetoric after WWII
- Meghna Heli BridgeAerial operation by the Indian Air Force during the Bangladesh Liberation War of 1971
- Men and the CityBook by Saddam Hussein
- Mengistu Haile MariamLeader of Ethiopia from 1977 to 1991
- Metapolitefsi1974 Greek transition to democracy
- Methodist Church of Southern AfricaThe Methodist Church of Southern Africa (MCSA) is a large Wesleyan Methodist denomination,
- MeToo movementSocial movement against sexual abuse and harassment
- Metro Transit Police DepartmentThe Metro Transit Police Department (MTPD) is the transit police agency of the Washington
- Mexican drug warWar between Mexico's government and various drug trafficking syndicates
- Mexican peso crisisEconomic crisis in Mexico
- Mia MottleyPrime Minister of Barbados since 2018
- Mid-20th-century baby boomBaby boom that occurred after World War II
- Middle Eastern crisis (2023–present)Period of escalations in the Middle East
- Migration to XinjiangMigration to Xinjiang is historical movement of people, often sponsored by various states
- Miguel Rodríguez TorresMiguel Eduardo Rodríguez Torres (born 21 January 1964) was the Minister of Interior, Justi
- Mike Mbama OkiroSir Mike Mbama Okiro was the Inspector General of the Nigeria Police Force from 2007 to 20
- Milán VáclavíkMilán Václavík (28 March 1928 – 2 January 2007) was a Slovak-origin Czechoslovak military
- Mile MrkšićMile Mrkšić (Serbian Cyrillic: Миле Мркшић; 1 May 1947 – 16 August 2015) was a colonel of
- Military career of Ferdinand MarcosThe military career of Ferdinand Marcos during World War II remains the subject of controv
- Military dictatorship in Brazil1964–1985 military regime in Brazil
- Military dictatorship of ChilePeriod of Chilean history under the rule of General Augusto Pinochet
- Military Government of the Philippine Islands1898–1902 U.S. military occupation of the Philippines
- Military history of New Zealand in MalaysiaThe New Zealand armed forces saw action in Malaysia throughout the 1950s and 1960s, first
- Military opposition to the Reconciliation, Tolerance, and Unity BillCommodore Frank Bainimarama, Commander of the Republic of Fiji Military Forces, had been a
- Military ranks of LebanonThe military ranks of Lebanon are the military insignia used by the Lebanese Armed Forces.
- Military ranks of the PhilippinesThe Military ranks of Philippines are the military insignia used by the Armed Forces of th
- MilitsiyaSoviet and Eastern Bloc police force
- Militsiya (Ukraine)Law enforcement of Ukraine from 1917 to 2015
- Milivoj PetkovićMilivoj Petković (born 11 October 1949) is a Bosnian Croat army officer who is among six d
- Milošević-Rugova education agreementThe Milošević–Rugova education agreement was an agreement signed on 1 September 1996 betwe
- Ministry of Drinking Water and SanitationThe Ministry of Drinking Water and Sanitation was a ministry of the Government of India fo
- MinjungMinjung (Korean: 민중) is a Korean word that combines the two hanja characters min (民) and j
- Miracle on the Han RiverRapid economic growth of South Korea
- Mission Barrio AdentroMission Barrio Adentro (English: Mission Into the Neighborhood) is a Venezuelan social wel
- Mission RobinsonMission Robinson is one of the Bolivarian Missions (a series of anti-poverty and social we
- Mission SucreMission Sucre (launched in late 2003) is one of the Bolivarian Missions (a series of anti-
- MKUltraCIA program involving illegal experimentation on human test subjects (1953–1972)
- MNLF Executive Council of 15Political faction in the Philippines
- Moba, Democratic Republic of the CongoMoba is a town located in the Democratic Republic of the Congo in Tanganyika Province. It
- Modern history of FijiSince attaining independence from the United Kingdom on 10 October 1970, Fijian history ha
- Modern republicanismPolitical ideology
- MoghulistanMongol breakaway khanate of the Chagatai Khanate
- Mohammed AdamuMohammed Abubakar Adamu (born 17 September 1961) is a Nigerian retired police officer who
- Mohammed JabbatehMohammed Jabbateh (born September 1966, sometimes Jabateh), also known by his nom de guerr
- Moises Frumencio da Costa GomezMoises Frumencio da Costa Gomez (27 October 1907 – 22 November 1966) was the president of
- Molotov PlanThe Molotov Plan was the system created by the Soviet Union in 1947 in order to provide ai
- Monopolies in the Philippines (1965–1986)Monopolies and corruption under Ferdinand Marcos
- Montgomery bus boycott1950s American protest against racial segregation
- Montreal Protocol1987 treaty to protect the ozone layer
- MONUSCOUnited Nations peacekeeping force in DRC
- Moral Equivalent of War speechThe Moral Equivalent of War speech was a televised address made by President Jimmy Carter
- Moro conflictSeparatist conflict in the Philippines
- Moro Rebellion1902–1913 uprising during the Philippine-American War
- Moroccan-occupied Western SaharaUN non-self-governing territory occupied by Morocco
- Moscow theater hostage crisis2002 terrorist attack and hostage crisis in Moscow
- Mozambican Civil War1977–1992 civil war in southeast Africa
- Mozambican War of Independence1964–1974 armed conflict in Southeastern Africa
- Mukti BahiniBangladeshi guerrilla movement
- Munich massacre1972 Summer Olympics terrorist attack
- Murder in Minnesota lawMurder in Minnesota law constitutes the killing, under circumstances defined by law, of pe
- Murder in Tennessee lawMurder in Tennessee law constitutes the unlawful killing, under circumstances defined by l
- Murder of George Floyd2020 police murder in Minneapolis, Minnesota, US
- Musa AvseverMusa Avsever (born 7 November 1957) is a retired Turkish Army general who was the 52nd com
- Muscat Regiment (Oman)The Muscat Regiment (MR) was formed in March 1957 and was one of the first two properly co
- Music in the movement against apartheidOne of the methods of opposition used against the apartheid regime
- Muslim Independence MovementThe Muslim Independence Movement (MIM) was a secessionist political organization in the Ph
- My Lai massacre1968 U.S. war crime during the Vietnam War
- Myanmar civil war (2021–present)Ongoing armed conflict in Southeast Asia
- Myanmar conflictOngoing armed conflict in Southeast Asia
- Myanmar protests (2021–present)Protests against the February 2021 coup
- Mysterii PaschalisApostolic letter issued by Pope Paul VI in 1969