This is a list of wars and war-like conflicts involving Sweden.
*e.g. result unknown or indecisive/inconclusive, result of internal conflict inside Sweden, status quo ante bellum, or a treaty or peace without a clear result.
Kingdom of Sweden (800–1397) Conflict Sweden and its allies Sweden's opposition OutcomeSwedish–Gothic wars (500–800) Location: SwedenSvealand Geats Consolidation of Swedes and Goths into a unified kingdom.Swedish slave revolts (500s) Location: SwedenSvealand Thralls Slaves depose the king of Sweden and win their freedom.Ingvars raid of Estonia (600s) Location: EstoniaSvealand Estonians Estonian VictoryScandinavians were defeated in a battle in Saaremaa (in Estonian) https://ekspress.delfi.ee/artikkel/32908835/skandinaavlased-said-saaremaal-suures-lahingus-tappaAnunds raid of Estonia (700s) Location: EstoniaSvealand Estonians Swedish VictoryBattle of Brávellir (750s) Location: BrávellirSvealand Estonians Danes (tribe) Wends Geats Swedish Victory Eastern Geatland falls under Swedish dominionPaphlagonian expedition of the Rus'Rus'/Swedish VikingsByzantine Empire Successful raidSwedish expedition to Courland (854)SwedenCuroniansSwedish victorySwedish raids in the Mediterranean Sea (859) Location: Mediterranean Sea, Spain, Italy Luni, ItalySwedes (Germanic tribe)Islamic SpainCarolingian Empire Swedish victorySwedish expedition to Courland (862)SwedenCuroniansSwedish victorySwedish wars of conquest in Eastern Europe (850s-870)
Location: Eastern EuropeSwedes (Germanic tribe)Slavs Curonians Semigallians Finnic peoples.Swedish victory establishment of control over the Route from the Varangians to the Greeks and Starya Ladoga route. Great Heathen Army (865–878)Vikings Swedes Danes NorwegiansWessex Northumbria Mercia East AngliaSwedes, Norwegians and Danes under Ragnar Lodbrok sons occupies England and establishes the Danelaw Caspian expeditions of the Rus' (913–1041) Kievan Rus SwedesKhazars Abbasid CaliphateSwedes establish trade routesOlof the Brashs conquest of Denmark (900s) Location: DenmarkSwedes (Germanic tribe)DenmarkSwedish victoryFeud of the Sviatoslavichi(970s) Location: Kievan Rus Vladimir the Great Sweden Veliky NovgorodOleg's coalition Drevlians Yaropolk's coalition Kiev Polotsk Vladimir the Great victoriousJomsviking–Swedish War(980s) Battle of Fýrisvellir Location: UppsalaSwedenJomsviking Swedish Victory Thunberg, Carl L. (2012). Slaget på Fyrisvallarna i ny tolkning (The Battle of Fýrisvellir in a New Interpretation). Retrieved 5 January 2021.Eric the Victorious invasion of Denmark (990s) Location: Hedeby Baltic SeaSwedenDenmark Swedish Victory Lagerqvist, Lars O., Sveriges regenter från forntid till nutid, Norstedts förlag, Stockholm 1996. ISBN 91-1-963882-5 (andra upplagan) Lagerqvist, Lars O., Sveriges regenter från forntid till nutid, Norstedts förlag, Stockholm 1996. ISBN 91-1-963882-5 (andra upplagan) pages 27–30
Erik Segersäll (1953) Sture Bolin. https://sok.riksarkivet.se/Sbl/Presentation.aspx?id=15407 Swedish invasion of the Holy Roman Empire (990s) Sweden DenmarkHoly Roman Empire Unclear resultsAdam av Bremen (1984) pp. 87–8 (Book II, Chapters 31–32).Olof Skötkonungs attack on Denmark Location: In DenmarkSwedenDenmarkSwedish victory Denmark is occupied by Olof Sweyn Forkbeard is expelledViking expedition to Wendland Location: In WendlandSwedenWendsSuccessful expeditionBattle of Svolder(999–1000) Location: In Øresund or near RügenSwedenDenmarkJarls of LadeNorwaySwedish victory Swedish Norwegian war (1015–1018) Battle of Nesjar (1016)SwedenNorwayNorwegian victory Battle of Helgeå Location: In Helge å or in UpplandSwedenNorwayNorth Sea Empire Kingdom of EnglandAnglo-Danish victory Battle of Stiklestad Location: In StiklestadSweden Olaf II of NorwayNorth Sea EmpireAnglo-Danish victorySwedish support for Magnus invasion of Norway (1035) Location: In Øresund or near RügenSweden Magnus the GoodNorth Sea EmpireSwedish victory Magnus the Good becomes king of Norway defeats the Danish forces (1042) Ingvar the Far-Travelleds expedition Battle of Sasireti Location: Georgia (country) Varangians Kingdom of Georgia Duchy of KldekariSwedish defeat Yaroslav the Wise and Mstislav of Chernigovs civil war Battle of Listven (1024) Location: Ukraine Russia Kievan Rus' VarangiansMstislav of ChernigovSwedish defeat Swedish–Norwegian War (1063) Location: Vänern SwedenKingdom of NorwaySwedish defeatSwedish–Norwegian War (1099–1101) Location: UnknownSwedenNorwayInconclusiveFirst Swedish Crusade(1150) Location: UnknownSwedenFinnsEventual incorporation of Southwest Finland into the Swedish kingdomSweyn III's invasion of Småland (1153)SwedenDenmarkInvasion failedHarald Skraengs uprising (1182)Harald Skraeng SwedenDenmarkUprising quelledPillage of Sigtuna(1187) Location: SigtunaSwedenPagans from Eastern Baltic(probably Estonians or Karelians)Sigtuna is sacked. Archbishop Johannes of Uppsala is killed.Battle of Lihula (1220) Location: Lihula, EstoniaSwedenOeselians
RotaliansDeath of jarl Karl the DeafVärmland campaign (1225/1249) Location: VärmlandSwedenNorway Peace of LödöseSaaremaa attack on Sweden (1226) Location: UnknownSwedenSaaremaa Saarema take plunder and hostagesAttack on Tavastia (1227–1228) Location: UnknownSwedenNovgorod IndecisiveBattle of Olustra (1229) Online at Pennan & Svärdet (archived) Location: Södermanland or ÖstergötlandEric XIKnut Långe Victory for Knut Långe Knut Långe is crowned King of SwedenEric XI's reinstatement war (1234) Location: UnknownEric XI Possibly supported by an army from DenmarkKnut Långe Victory for Eric XI Eric XI regains the throne Death of Knut LångeLivonian Crusade(13th century) Location: Estonia, LatviaCrusade Sword-Brothers Livonian Order Denmark Duchy of Estonia Principality of Rügen Nordalbingia within Saxony Bishopric of Riga Bishopric of Dorpat Sweden Tālava Christianized Livs, Letts, Estonians, Latgalians and Ungannians Bishopric of Courland Bishopric of Ösel–Wiek Pskov RepublicPagans (Indigenous peoples) Livs (Livonians) Latgalians Curonians Estonians Oeselians Selonians Semigallians Rotalians Ungannians Vends Grand Duchy of Lithuania SamogitiansCrusader victory. However, the Swedish expedition ended in disasterTavastian uprising(1236–1237) Location: FinlandSwedenTavastians Novgorod KareliansUprising crushed Swedish influence in Finland is preservedBattle of Neva (1240)Swedes, Norwegians, Finns and TavastiansNovgorod Republic and KareliansNovgorodian victory.First Folkung Uprising(1247) Location: SwedenSwedenFolkungVictory of the Swedish kingSecond Swedish Crusade(1249–1250) Location: FinlandSwedenTavastiansArea of Tavastians and south-western Finland fall to Swedish rule, Häme Castle is founded
Folkung era (1250–1389) Conflict Sweden and its allies Sweden's opposition OutcomeSecond Folkung Uprising(1251) Location: SwedenSwedenFolkung Danes GermansSwedish victory Filip Knutsson captured and executedCampaign against Narva (1256–1257) Location: UnknownSweden Tavastians Finns "Didman"NovgorodNeither side achieved much successThe war against Valdemar Birgersson(1275) Battle of HovaValdemar's ForcesDuke Magnus's ForcesValdemar, King of Sweden is deposedMagnus Ladulås is crowned king of Sweden.6000 mark war(1276–1278)SwedenDenmarkDanish victory Sweden agrees to pay a reduced amount of 4000 marks to Denmark.Third Folkung Uprising (1278–1280) Location: SwedenSwedenFolkungVictory of the Swedish king Insurgents captured One of the leaders is fined while two others are executed.Ladoga Campaign (1283–1284) Location: UnknownSwedenNovgorodIndecisiveWar in Gotland (1288) Location: GotlandVisbyGotlandVictory for VisbySwedish campaign against the Karelians and Izhorians(1292) Location: UnknownSwedenKareliansIzhoriansSwedish defeatThird Swedish Crusade(1293–1295) Location: FinlandSwedenKarelians Novgorod republicSwedish victory Swedish border expands eastwardsNeva Campaign (1300–1301) Location: Neva riverSwedenNovgorodLandskrona captured by NovgorodSwedish Brother's Feud (1304–1310) Location: SwedenBirger MagnussonDuke Eric and ValdemarVictory for Birger Magnusson, death of Valdemar and Duke EricWar on Gotland(1313) Location: GotlandSwedenGotlandGutes agree to pay an increased tax to the Swedish king.Tavastian war (1311–1314) Location: Tavastia SwedenNovgorod RepublicIndecisiveUprisings in Hälsingland and Småland (1316–1317) Location: UnknownSwedenRebels in Hälsingland and SmålandInsurgents lose their property after a verdict by King BirgerAttack on Åbo(1318) Location: ÅboSwedenNovgorod Republic Novgorodians burn the outskirts of ÅboWar of Deposition against Birger Magnusson(1317–1319) Location: SwedenBirger MagnussonInsurgents loyal to the Dukes Valdemar and Erik Birger is deposedKexholm war (1321–1323) Location: UnknownSwedenNovgorodTreaty of NöteborgSwedish–Novgorodian Wars(1142–1323) Location: Finland Sweden Norway (1319–1323)Novgorod RepublicTreaty of Nöteborg (1323)Campaign against Ingeborg (1323) Location: SwedenSwedish–Norwegian UnionIngeborg of NorwayPeace of Skara Ingeborg is forced to exchange Axvall for the unfortified Dåvö in VästmanlandMats Kettilmundssons war against Reval (1325–1326) Location: UnknownSwedish–Norwegian Union (Mats Kettilmundsson) Reval Mats Kettilmundsson dies before any confrontations take place, peace signed in 31 May 1326Sten bielkes war against Novgorod (1338–1339) Location: NovgorodSwedish–Norwegian Union Novgorod Peace signed in either August or September 1339. Novgorodian strategic failureJohan Offessons Uprising (1339) Location: SwedenSwedish–Norwegian UnionJohan OffessonLindholm Castle is destroyed, and Johan is forced to give Skytts and Oxie to the kingKalundborg War (1341–1343) Location: SwedenSwedish–Norwegian Union HolsteinDenmark Lübeck Rostock Hamburg Stralsund Wismar GreifswaldSwedish-Norwegian victory Valdemar IV admits his sale of Scania, Blekinge, and Halland to Sweden-Norway Copenhagen Castle is given back to DenmarkSaint George's Night Uprising (1343–1345) Location: UnknownSwedish–Norwegian Union EstoniansDenmark Teutonic OrderIndecisive Swedish-Norwegian troops plunder Reval Estonian uprising crushedMagnus's war against Russia (1348–1351) Location: UnknownSwedish–Norwegian UnionNovgorodTruce of Dorprat Swedish-Norwegian success in the beginning Swedish-Norwegian failure to keep NöteborgCampaign between Magnus and his son (1356–1359) Location: UnknownMagnus IVEricAccording to the arbitration in Jönköping, Sweden is divided between Magnus and Erik, this ends after Eric's death in 1359Valdemar Atterdags reconquest of Scania(1360) Location: ScaniaSwedish–Norwegian UnionDenmark Denmark conquers all of ScaniaValdemar Atterdags conquest of Gotland(1361) Location: GotlandSwedish–Norwegian UnionDenmark Denmark conquers GotlandDanish–Hanseatic War (1361–1370) Location: Northern Germany, Scandinavia, and the Baltic Sea First phase (1361–1365) Hanseatic League Gotland Lubeck Stralsund Kingdom of Norway Kingdom of Sweden
Second phase (1367–1370) Confederation of Cologne Towns in Holland Towns in Zeeland Hanseatic League Towns in Prussia Towns in Livonia Lubeck Stralsund Rostock Teutonic Order Kingdom of Sweden County of Holstein Duchy of Mecklenburg Danish Noble RebelsFirst phase (1361–1365) Kingdom of Denmark Second phase (1367–1370)
Kingdom of Denmark
Kingdom of NorwayFirst phase: Danish victory Second phase: Hanseatic victory
Hanseatic League gains control over several forts in ScaniaWar of deposition against Magnus (1363–1371) Location: UnknownMagnus IV Haakon VIAlbert of MecklenburgAlbert becomes king of SwedenSwedish involvement in the Danish war of succession (1379–1381) Location: UnknownSwedenDenmarkTruce signed in 1381Invasion of Scania (1384) Location: UnknownSwedenDenmarkTruce likely signed in 1384