Atlas of Battles

siege, early modern

Siege of Louisbourg

Siege of Louisbourg was a siege conducted on 11 May 1745 at Louisbourg, in what is now Canada; it lasted 48 days. It was part of the War of the Austrian Succession, which ran from 1740 to 1748. The recorded result: British victory. Recorded strength: 4,200; 90 warships and transport ships against 2,390.

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Attack on Louisbourg in 1745.
Attack on Louisbourg in 1745.. Peter Monamy (1681-1749), Public domain, via Wikimedia Commons.
Fought11 May 1745lasted 48 days
WhereLouisbourg, Canada45.920N, 59.973W
OutcomeBritish victory
BelligerentsKingdom of Great Britain; New England ColoniesagainstKingdom of France
Part ofWar of the Austrian Succession1740 to 1748

Where it sits in the War of the Austrian Succession

Battle of Mollwitz, 1741Siege of Brieg, 1741Siege of Prague, 1742Siege of Brno, 1742Battle of Chotusitz, 1742Battle of Sahay, 1742Action of 14 June 1742, 1742Siege of Mirandola, 1742Battle of Campo Santo, 1743Battle of Dettingen, 1743Battle of Toulon, 1744Battle of Villafranca, 1744Battle of Velletri, 1744Battle of Casteldelfino, 1744Siege of Prague, 1744Battle of Madonna dell'Olmo, 1744Battle of Pfaffenhofen, 1745Siege of Tournai, 1745Battle of Fontenoy, 1745Siege of Louisbourg, 1745Battle of Anguilla, 1745Fall of Ghent, 1745Battle of Melle, 1745Siege of Ath, 1745Battle of Bassignano, 1745Battle of Soor, 1745Battle of Hennersdorf, 1745Siege of Brussels, 1746Siege of Genoa, 1746Battle of Piacenza, 1746Action of 6 July 1746, 1746Siege of Namur, 1746Battle of Madras, 1746Raid on Lorient, 1746Battle of Rocoux, 1746Battle of Adyar, 1746Siege of Antibes, 1746Siege of Genoa, 1747First Battle of Cape Finisterre, 1747Siege of Bergen op Zoom, 1747Battle of Lauffeld, 1747Battle of Assietta, 1747Second Battle of Cape Finisterre, 1747Battle of Saint-Louis-du-Sud, 1748Siege of Maastricht, 1748Siege of Cuddalore, 174817411748Siege of Louisbourg, 1745
46 placed engagements of the War of the Austrian Succession in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date11 May 1745
to 28 June 1745
PlaceLouisbourg, Canada
45.920N, 59.973W
KindSiege, early modern
Strength4,200; 90 warships and transport ships2,390
Casualties and losses100 killed and wounded; 900 dead of disease130 killed and wounded; 300 dead of disease; 1,400 captured
Commanders
  • William Pepperrell
  • John Bradstreet
  • Edward Tyng
  • Louis Du Pont Duchambon
  • Pierre Morpain
  • Joseph Marin de la Malgue
Siege of LouisbourgSiege of LouisbourgSiege of LouisbourgAction of 21 July 1781Siege of Port ToulouseBattle of ChedabuctoSiege of LouisbourgSiege of Port ToulouseBattle of ChedabuctoSydneyBaddeck100 km45.920N, 59.973W
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

Contested ground: this site was fought over 3 times between 1745 and 1781.

In the same war

Elsewhere in 1745

Siege of Louisbourg is one of 2,009 engagements of the 18th century in the atlas and one of 128 in present-day Canada.

Sources

Identity, coordinates, dates and the war from Wikidata Q1152894, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Siege of Louisbourg (1745), revision 1382848625, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.