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- Saddam Hussein and al-Qaeda link allegationsConspiracy theory originating from the United States
- Saint Valentine's Day Massacre1929 gang shooting in Chicago, US
- Saint-Domingue expeditionFrench military expedition
- Saint-Laurent-sur-MerSaint-Laurent-sur-Mer (French pronunciation: , literally Saint-Laurent on Sea) is a commun
- Sakonji SeizōSeizō Sakonji (左近司政三, Sakonji Seizō, 27 June 1879 – 20 August 1969) was an admiral in the
- Sakurakai1930–31 far-right society in Japan
- Salient (military)A salient, also known as a bulge, is a battlefield feature that projects into enemy territ
- Salt March1930 Indian protest led by Mahatma Gandhi
- SamizdatUnderground publications in the Soviet bloc
- Samoan Civil War1886–1894 conflict in the Samoan Islands
- Samorian State1878–1898 empire in West Africa
- Samsing GroupThe Samsing Group (Danish: Samsing-gruppen) was a Danish resistance group in Aarhus, Denma
- Samsun deportationsThe Samsun deportations were a series of death marches orchestrated by the Turkish Nationa
- San Juan de Ulúa19°12′33″N 96°07′53″W / 19.20917°N 96.13139°W
- San Remo conference1920 meeting on post-WWI Ottoman territories
- Sanin HusainSanin Husain (c. 1847–1909) was a religious and military leader who served the Mahdist Sta
- SanusiyyaMuslim Sufi order and clan in Libya
- Satō–Kishi–Abe familyPolitical family in Japan
- Satsuma Rebellion1877 Japanese samurai revolt
- Sauer (Rhine)The Sauer is a river in France (Alsace) and Germany (Rhineland-Palatinate). A left tributa
- SayfoGenocide of Assyrians (1914–1924)
- Schlieffen PlanGerman deployment plan against France
- SchutzhaftlagerführerSchutzhaftlagerführer (head of the "preventive detention camp") was a paramilitary title o
- SchutzstaffelGerman Nazi paramilitary organisation (1925–1945)
- Schwarzburg-SondershausenSchwarzburg-Sondershausen was a small principality in Germany, in the present day state of
- Science and technology in the Soviet UnionScience and technology in the Soviet Union served as an important part of national politic
- Scopes trial1925 US legal case in Tennessee
- Seal of HawaiiThe Great Seal of the State of Hawaii was designated officially by Act 272 of the 1959 Ter
- Sébastien LespèsSébastien-Nicolas-Joachim Lespès (French pronunciation: ; 13 March 1828 – 24 August 1897)
- Secession of Panama from Colombia1903 French- and US-supported establishment of the Republic of Panama
- Second Anglo-Afghan War1878–1880 war between the British Empire and the Emirate of Afghanistan
- Second Anglo-Sikh War1848–49 conflict between the British and Sikh empires
- Second Army (Austro-Prussian War)The Second Army was a formation of the Prussian Army during the Austro-Prussian War. Being
- Second Army (Hungary)The Hungarian Second Army (Második Magyar Hadsereg) was one of three field armies raised b
- Second Army (Romania)The Second Army was a field army of the Romanian Land Forces, created on 18 August 1916. I
- Second Army (United Kingdom)The British Second Army was a field army active during the First and Second World Wars. Du
- Second Balkan WarBulgaria's invasion of its neighbours (1913)
- Second Bank of the United StatesAmerican national bank (1816–41)
- Second Battle of BapaumePart of the Hundred Days Offensive of World War I
- Second Battle of El AlameinBattle in the Western Desert Campaign of the Second World War
- Second Battle of HuachiThe Second Battle of Huachi was a confrontation that occurred on 12 September 1821 between
- Second Battle of Kehl (1796)48°34′N 7°49′E / 48.567°N 7.817°E
- Second Battle of MonsThe Second Battle of Mons was a First World War military engagement fought between 9–11 No
- Second Battle of TembienThe Second Battle of Tembien was fought on the northern front of the Second Italo-Ethiopia
- Second Battle of the Alps1944/45 campaign on the French/Italian border
- Second Boer War1899–1902 war in South Africa
- Second Cold WarTerm referring to heightened tensions in the 21st century
- Second Congo War1998–2003 war in central Africa
- Second Franco-Dahomean War1892–1894 conflict between France and Dahomey
- Second French intervention in Mexico1861 invasion of Mexico by the French
- Second Great Awakening19th-century US religious revival
- Second Honduran Civil War1924 civil war in Honduras
- Second inauguration of Abraham Lincoln20th United States presidential inauguration
- Second inauguration of Andrew Jackson12th United States presidential inauguration
- Second Industrial Revolution1870–1914 electrical and chemical era
- Second Iraqi–Kurdish War1974–1975 Kurdish rebellion in northern Iraq
- Second Italo-Ethiopian War1935–1936 war between Italy and Ethiopia
- Second Kuomintang-Communist Civil WarThe Second Kuomintang-Communist Civil War, called the National Protection War against the
- Second Mexican Empire1863–1867 French-backed Mexican conservative monarchy in Mexico
- Second Opium War1856–1860 war between British–French forces and China
- Second Philippine Republic1943–1945 Japanese puppet state
- Second Polish RepublicPolish state from 1918 to 1939
- Second reign (Empire of Brazil)The Second Reign is a period of history within the Empire of Brazil that lasted 49 years,
- Second Revolution (Republic of China)1913 revolt in southern China
- Second Samoan Civil War1898–1899 war between the US, UK and Germany
- Second Saudi–Rashidi WarWW1 conflict in current Saudi Arabia
- Second Sino-Japanese War1937–1945 conflict in East Asia
- Second Taiwan Strait Crisis1958 conflict between the PRC and the ROC
- Second United Front1936–47 alliance between the Chinese Communist Party and the Kuomintang
- Secret Anti-Communist ArmyThe Secret Anti-Communist Army (Spanish: Ejército Secreto Anticomunista, ESA) was a front
- Secret SixThe so-called Secret Six, or the Secret Committee of Six, were a group of men who secretly
- Secretariat of the Communist Party of CubaThe Secretariat is the highest executive organ of the Central Committee of the Communist P
- Secretariat of the Communist Party of the Soviet UnionAdministration organ of the Communist Party of the Soviet Union
- Section 98Former Canadian ban on unlawful associations
- Seizure of power (Cultural Revolution)The seizure of power (simplified Chinese: 夺权; traditional Chinese: 奪權), or power-seizure m
- SelbstschutzSelbstschutz (German for "self-protection") is the name given to different iterations of e
- Self-Strengthening Movement1861–1895 modernization and reform period in Qing China
- SeminoleNative American people originally from Florida
- Sénat conservateurThe Sénat conservateur (from French: "Conservative Senate") was an advisory body establish
- Senate of FinlandHistorical government body in Finland from 1809 to 1918
- Seneca Falls ConventionFirst women's rights convention (1848)
- Senegambia and NigerSenegambia and Niger was a short-lived administrative unit of the colonial French West Afr
- Sent-down youthEducated youths working in rural China during Cultural Revolution
- Senussi campaignMilitary campaign of World War I
- Separate but equalDiscredited US legal doctrine used for racial segregation
- September 11 attacks2001 terror attacks in the U.S.
- Serbian campaignCampaign during World War I
- Serbian RevolutionRevolution of Serbia against the Ottomans
- SerbsSouth Slavic ethnic group
- Sergeant Major of the ArmyThe sergeant major of the Army (SMA) is a unique noncommissioned rank and position of offi
- Seven Enemy OffensivesThe Seven Enemy Offensives (Serbo-Croatian Latin: Sedam neprijateljskih ofanziva) is a gro
- Seventh Air ForceThe Seventh Air Force (Air Forces Korea) (7 AF) is a Numbered Air Force of the United Stat
- Seventh Army (Ottoman Empire)The Ottoman Seventh Army was a large military formation of the Ottoman Empire in the late
- Sexual revolution20th-century Western social movement
- Sexuality of Abraham LincolnThe sexuality of Abraham Lincoln has been the topic of historical speculation and research
- Shanghai Campaign1949 Chinese military campaign
- Shanghai massacreMassacre on 12 April 1927
- Shanxi cliqueThe Shanxi clique, also known as the Jin clique (Jin being the abbreviated name of Shanxi;
- Shashi, JingzhouShashi (Chinese: 沙市; pinyin: Shāshì) is a district within the main urban area of Jingzhou,
- Shek Kip Mei fireThe Shek Kip Mei fire (Chinese: 石硤尾大火) took place in Hong Kong on 25 December 1953. It des
- Sherman's March to the Sea1864 military campaign of the American Civil War
- Shimazaki Masaki19th-century Japanese scholar of Hirata kokugaku
- ShinjitaiModern forms of kanji used in Japan after 1946
- Shōnai DomainShōnai Domain (庄内藩, Shōnai-han) was a feudal domain in Edo period Japan, located in Dewa P
- Shunrō OshikawaJapanese writer and journalist
- Siberian intervention1918–1922 military operation against Soviet Russia
- SicherheitsdienstIntelligence agency of the SS and the Nazi Party in Nazi Germany
- SicherheitspolizeiState security police of Nazi Germany
- Sicilian revolution of 1848Rebellion against Bourbon rule in the Kingdom of Sicily
- Sick man of EuropeGeopolitical designation
- Sid CatlettSidney "Big Sid" Catlett (January 17, 1910 – March 25, 1951) was an American jazz drummer.
- Siege of Acre (1799)1799 siege of French invasion of Egypt and Syria
- Siege of Adrianople (1913)1913 siege by the Ottoman Empire
- Siege of Belfort1870–71 Franco-Prussian War siege
- Siege of Bitche1870 siege during the Franco-Prussian war
- Siege of Delhi (1857)Conflict of the Indian Rebellion
- Siege of Havana1762 capture of Spanish-held Havana by the British during the Seven Years' War
- Siege of La FèreThe Siege of La Fère took place during the Franco-Prussian War from 15 November until 26 N
- Siege of Larache (1689)The siege of Larache, in 1689, was undertaken by an army of Morocco under 'Alawid Sultan I
- Siege of LeningradBlockade by the Axis powers, 1941–1944
- Siege of LichtenbergThe siege of Lichtenberg was a battle of the Franco-Prussian War that took place on August
- Siege of Longwy (1871)The siege of Longwy was a military conflict during the Franco-Prussian War, which took pla
- Siege of LydenburgThe siege of Lydenburg was a siege carried out by South African Republican forces on Briti
- Siege of Malta (World War II)The Siege of Malta (or Battle of Malta) in World War II was a military campaign in the Med
- Siege of MarabastadThe siege of Marabastad was a siege of Fort Marabastad, in present day Limpopo, South Afri
- Siege of MarsalThe siege of Marsal was a battle of the Franco-Prussian War on August 13 to 14, 1870 betwe
- Siege of Metz (1870)Battle of the Franco-Prussian War
- Siege of Mézières (1870–1871)Battle during the Franco-Prussian War
- Siege of MontmédyMilitary event
- Siege of Neu-BreisachThe siege of Neu-Breisach was a battle of encirclement in the Franco-Prussian War, which t
- Siege of Paris (1870–1871)Part of the Franco-Prussian War
- Siege of PéronneThe siege of Peronne was a battle during the Franco-Prussian War, from December 26, 1870 u
- Siege of Petersburg1864–1865 battle of the American Civil War
- Siege of PhalsbourgThe siege of Phalsbourg was an early battle of the Franco-Prussian War that was fought bet
- Siege of Przemyśl1914–15 battle on the Eastern Front of World War I
- Siege of Rocroi1871 battle of the Franco-Prussian war
- Siege of SélestatThe siege of Sélestat was a siege, extending from 20 to 24 October 1870, of the French Als
- Siege of Sevastopol (1854–1855)Part of the Crimean War
- Siege of SoissonsBattle during the Franco-Prussian War
- Siege of StrasbourgSiege during the Franco-German war in 1870
- Siege of TaganrogThe siege of Taganrog is a name given in some Russian histories to Anglo-French naval oper
- Siege of the Montaña barracksThe Siege of the Montaña barracks (Spanish: Sitio del Cuartel de la Montaña) was the two-d
- Siege of Thionville (1870)1870 battle of the Franco-Prussian War
- Siege of ToulThe siege of Toul was the siege of the fortified French town of Toul from 16 August to 23
- Siege of Toulon (1793)Part of the War of the First Coalition
- Siege of TsingtaoOperation during World War I
- Siege of Verdun (1870)1870 in France during the Franco-Prussian War
- Siege of VicksburgBattle of the American Civil War
- Silesian UprisingsSeparatist uprisings in 1919–1921
- SilverplateSilverplate was the code reference for the United States Army Air Forces' participation in
- Simplon PassHigh mountain pass between the Pennines and Lepontine Alps in Switzerland
- Sinai and Palestine campaignCampaign of the Middle Eastern theatre of World War I
- Sinatra DoctrineThe Sinatra Doctrine was a Soviet foreign policy under Mikhail Gorbachev for allowing memb
- Singapore strategyThe Singapore strategy was a naval defence policy of the United Kingdom that evolved in a
- Sinking of RMS LusitaniaWorld War I maritime disaster
- Sinking of the Titanic1912 maritime disaster
- Sino-French War1884–1885 conflict between France and China
- Sino-Japanese Friendship and Trade TreatyThe Sino-Japanese Friendship and Trade Treaty (Nisshin shūkō jōki (日清修好条規); simplified Chi
- Sino-Soviet Treaty of Friendship and AllianceThe Treaty of Friendship and Alliance (Traditional Chinese: 中蘇友好同盟條約) was a treaty signed
- Sino-Soviet Treaty of Friendship, Alliance and Mutual AssistanceThe Sino-Soviet Treaty of Friendship, Alliance and Mutual Assistance (Russian: Советско-ки
- Sinte RomaniRomani variety of Central and Western Europe
- SintiRomani subgroup
- Sioux Wars1854–1891 conflicts in the United States
- Sir Donald Stewart, 1st BaronetField Marshal Sir Donald Martin Stewart, 1st Baronet, GCB, GCSI, CIE (1 March 1824 – 26 Ma
- Sir William Parker, 1st Baronet, of ShenstoneAdmiral of the Fleet Sir William Parker, 1st Baronet, GCB (1 December 1781 – 13 November 1
- Six Days' Campaign1814 campaign during the War of the Sixth Coalition
- Skirmish at Doran's FarmThe Skirmish at Doran's Farm was a small skirmish during the War of 1812 fought during Wil
- Slovak BrailleSlovak Braille is the braille alphabet for Slovak. Like braille for other languages using
- Slovak languageWest Slavic language
- Slovak Republic (1939–1945)Client state of Nazi Germany
- Slovak–Hungarian War1939 territorial conflict between the Slovak Republic and the Kingdom of Hungary
- Slovene Home GuardSlovene anti-partisan and collaborationist militia
- SochaSocha is a town and municipality in the Colombian Department of Boyacá, part of the Valder
- Social degenerationConcept from the 18th and 19th centuries
- Social revolutionRevolution reorganizing a whole society
- Society GuardParamilitary organisation in Norway
- SoharOmani city on the coast of the Gulf of Oman
- Sokoto CaliphateIslamic state in West Africa (1804–1903)
- Solomon Islands campaignMajor campaign of the Pacific War of World War II
- Somaliland Peace ProcessThe Somaliland Peace Process refers to the series of grassroot initiatives that brought pe
- Son Sann22nd Prime Minister of Cambodia
- Sonderabteilung LolaSonderabteilung Lola (in Norway also known as Rinnanbanden (Rinnan gang) was an independen
- Sonderkommando BlaichSonderkommando Blaich (Special Command Blaich) was a German unit consisting of a Heinkel H
- Sonnō jōiNationalist slogan in 1850s Japan
- Sons of Confederate VeteransAmerican neo-Confederate organization
- Sook Ching1942 massacre in Singapore by Japan
- Sorbian languagesWest Slavic language group
- South African Republic1852–1902 Boer republic in Southern Africa
- South American dreadnought raceEarly 20th century arms race among Argentina, Brazil, and Chile
- South American territorial disputesThe South American territorial disputes are the territorial disputes and litigations that
- South Arabia during World War IThe campaign in South Arabia during World War I was a minor military campaign for control
- South Carolina civil disturbances of 1876The South Carolina civil disturbances of 1876 were a series of race riots and civil unrest
- South Carolina in the American Civil WarSouth Carolina was the first state to secede from the Union on December 20, 1860, and exis
- South Central ChinaGeographic region of China
- South Field (Iwo Jima)South Field was a World War II airfield on Iwo Jima in the Volcano Islands, located in the
- South Korean nationalismState nationalism in the Korean Peninsula
- South Seas MandateJapanese mandate territory (1919–1947)
- South SlavsSubgroup of Slavic peoples who speak the South Slavic languages
- South West Africa campaignMilitary campaign
- South West Pacific AreaSouth West Pacific Area (SWPA) was the name given to the Allied supreme military command i
- South West Pacific theatre of World War IITheatre of World War II
- South Yemen1967–1990 state in Western Asia
- South-East Asian theatre of World War IICampaigns of the Pacific War in Southeast Asia
- Southampton BlitzThe Southampton Blitz was the heavy bombing of Southampton by the Nazi German Luftwaffe du
- Southern BessarabiaPart of Bessarabia returned to Moldavia and Romania from 1856 to 1878
- Southern California supermarket strike of 2003–2004The Southern California supermarket strike of 2003–2004 was a strike by the United Food an
- Southern Front (Soviet Union)The Southern Front was a front, a formation about the size of an army group of the Soviet
- Southern Front of the Russian Civil WarMilitary theater of the Russian Civil War
- Southern Russia interventionAllied intervention in the Russian Civil War
- Southern XinjiangSouthern Xinjiang or Nanjiang (Chinese: 南疆; pinyin: Nánjiāng) is the southern half of the
- Southwestern Front (Soviet Union)The Southwestern Front was a front of the Red Army during the Second World War, formed thr
- Soviet (council)Socialist workers' council
- Soviet deportations from LatviaSoviet deportations from Latvia were a series of mass deportations by the Soviet Union fro
- Soviet empireTerm for Soviet foreign policy before 1989
- Soviet famine of 1930–1933Famine that affected the major grain-producing areas of the Soviet Union
- Soviet intervention in MongoliaEvent during the Russian Civil War
- Soviet invasion of ArmeniaBattles involving Armenian National movement
- Soviet invasion of AzerbaijanPart of the Russian Civil War in 1920
- Soviet invasion of Georgia1921 invasion of the Democratic Republic of Georgia
- Soviet invasion of Manchuria1945 Soviet campaign of World War II
- Soviet invasion of Poland1939 World War II invasion
- Soviet invasion of Xinjiang1934 military intervention in support of warlord Sheng Shicai
- Soviet occupation of Bessarabia and Northern Bukovina1940 Soviet annexation of present-day Moldova and parts of Ukraine
- Soviet of NationalitiesUpper house of the USSR legislature
- Soviet of the UnionLower house of the Soviet Union's legislature
- Soviet partisansWWII resistance movements
- Soviet phraseologyLanguage traits in the Soviet Union
- Soviet westward offensive of 1918–1919Invasion by the Russian SFSR
- Soviet–Japanese War1945 Soviet invasion of Manchukuo
- SovietizationAdoption of Soviet political system and mentality
- Sovietization of the Baltic statesThe Sovietization of the Baltic states is the sovietization of all spheres of life in Esto
- SovokPejorative term related to the Soviet Union
- Space RaceUS–USSR spaceflight capability rivalry
- Spain and the American Revolutionary War18th-century war between Great Britain and Spain
- Spanish Civil War1936–1939 civil war in Spain
- Spanish conquest of the MoluccasThe Spanish conquest of the Moluccas was a large-scale military campaign launched by the S
- Spanish conquest of TripoliThe Conquest of Tripoli was a maritime campaign led by Pedro Navarro which captured the ci
- Spanish Constitution of 1812First Constitution of Spain
- Spanish flu1918–1920 global influenza pandemic
- Spanish nationalismPolitical ideology asserting the unity of Spain
- Spanish Revolution of 1936Workers' social revolution in the Spanish Republic
- Spanish–American War1898 conflict between Spain and the United States
- Spanish–Portuguese War (1776–1777)The Spanish-Portuguese War, also known as the Second Cevallos expedition, was fought betwe
- Spanish–Taíno War of San Juan–BorikénThe Spanish and Taíno War of San Juan–Borikén, also known as the Taíno Rebellion of 1511,
- Special ArmyThe Russian Special Army was a World War I Russian field army that fought on the Eastern F
- Special PeriodEconomic crisis in Cuba after the fall of the Soviet Union
- Special use airspaceSpecial use airspace (SUA) is a type of special airspaces in the United States designated
- Specie CircularU.S. presidential executive order
- Spider holeIn military slang, a spider hole is a type of camouflaged one-man foxhole, similar to a su
- Spot ResolutionsWork by Abraham Lincoln
- Spring 1945 offensive in ItalyAllied attack into the Lombardy Plain during WWII
- Spring offensive of the White Army1919 offensive of the Russian Civil War
- Sri Lankan civil war1983–2009 Sri Lankan internal conflict
- SS Cantabria (1919)SS Cantabria was a Spanish-owned cargo steamship that was built in 1919 in Canada and sunk
- Stab-in-the-back mythAntisemitic conspiracy theory promulgated in Germany after World War I
- StalemateSituation in chess without a legal move
- Stalin Note1952 communication by Joseph Stalin
- Stalin's speech of 19 August 1939Secret speech allegedly given by Joseph Stalin
- Star of the WestStar of the West was an American merchant steamship that was launched in 1852 and scuttled
- State Committee of the Soviet UnionA USSR State Committee was a central government body within the Government of the Union of
- State Council of the Soviet Union1991 executive body in the Eurasian state
- State funeral of Abraham Lincoln1865 Funeral of the 16th U.S. president
- State of BurmaPuppet state of the Empire of Japan from 1943–1945
- State of MuskogeeThe State of Muskogee was a proclaimed sovereign nation located in Florida, founded in 179
- State of Slovenes, Croats and Serbs1918 unrecognised state in Southeast Europe
- State of Vietnam1949–1954 associated state of French Union, 1954–1955 independent state
- State ShintoImperial Japan's use of the Shinto religion
- Station HYPOStation HYPO, also known as Fleet Radio Unit Pacific (FRUPAC), was the United States Navy
- Stefan RoweckiStefan Paweł Rowecki (pseudonym: Grot, "Spearhead", hence the alternate name, Stefan Grot-
- Stennes revolt1930–31 revolt within the Nazi Party
- Stjepan SarkotićStjepan Freiherr Sarkotić von Lovćen (also Stefan Sarkotić, Stjepan Sarkotić, or Stephan S
- Stockton cannery strike of 1937The Stockton cannery strike of 1937, also known as the spinach riot, was the bloody culmin
- Strategic bombing during World War IIAirborne warfare throughout World War II
- Strategic Rocket ForcesSeparate-troops branch of the Russian Armed Forces
- SturmabteilungNazi Party's original paramilitary wing
- Sublime PorteSynecdoche for the central government of the Ottoman Empire
- Subramania BharatiIndian writer, poet, and Independence activist
- Subsequent Nuremberg trials1946–1949 trials of Nazi leadership
- SudetenlandHistorical name for areas of Czechoslovakia
- SuffragetteBritish movement for women's suffrage
- Suicide bombings in Sri LankaSuicide Bombing was a popular tactic of the Liberation Tigers of Tamil Eelam of attacking
- Suide CountySuide County (simplified Chinese: 绥德县; traditional Chinese: 綏德縣; pinyin: Suídé Xiàn) is a
- Suiyuan campaignCampaign in the Japanese invasions of China
- Sultanate of DahlakThe Sultanate of Dahlak was a small medieval kingdom covering the Dahlak Archipelago and p
- Sultanate of DamagaramThe Sultanate of Damagaram was a Muslim pre-colonial state in what is now southeastern Nig
- Sultanate of Hobyo1878–1927 Somali kingdom
- Summary executionExecution without trial
- Summer WarThe Summer War (Estonian: Suvesõda) was the occupation of Estonia during the Second World
- Sun and Steel (essay)1968 essay by Yukio Mishima
- Sun–Joffe ManifestoSun–Joffe Manifesto or the Joint Manifesto of Sun and Joffe (孫文越飛宣言) was an agreement sign
- Sung Wong ToiSung Wong Toi is an important historic relic in Ma Tau Chung, Kowloon, Hong Kong. While it
- Suppression of Communism Act, 1950Legislation in apartheid South Africa
- Supreme Soviet of the Latvian Soviet Socialist RepublicThe Supreme Soviet of the Latvian SSR (Latvian: Latvijas PSR Augstākā Padome; Russian: Вер
- Supreme War Council (Japan)The Supreme War Council (軍事参議院, Gunji sangiin) was an advisory body to the Emperor of Japa
- Surrender at OzoraThe Surrender at Ozora, was an important event of the early stage of the Hungarian War of
- Surrender of JapanEnd of World War II
- Surrey Commercial DocksThe Surrey Commercial Docks were a large group of docks in Rotherhithe, South East London,
- SuvoborSuvobor (Serbian Cyrillic: Сувобор) is a mountain in central Serbia, near the town of Gorn
- Swansea, TasmaniaSwansea is a town in the heart of Tasmania's east coast, on the north-west shore of Great
- Swing eraPeriod of time (around 1935–1946)
- Sykes–Picot AgreementSecret 1916 agreement between the United Kingdom and France
- Syria–Lebanon campaign1941 British offensive in World War II
- Syrian civil war2011–2024 armed conflict in Syria