• Siege of Louisbourg (1745)
  Siege of Louisbourg (1745)
  The Siege of Louisbourg took place in 1745 when a New England colonial force aided by a British fleet captured Louisbourg, the capital of the French province of Île-Royale during the War of the Austrian Succession, known as King George's War in the British colonies.Although the Fortress of...
  
  , the capture of the settlement by British forces during the War of the Austrian Succession
• Siege of Louisbourg (1758)
  Siege of Louisbourg (1758)
  The Siege of Louisbourg was a pivotal battle of the Seven Years' War in 1758 which ended the French colonial era in Atlantic Canada and led directly to the loss of Quebec in 1759 and the remainder of French North America the following year.-Background:The British government realized that with the...
  
  , the capture of the settlement by British forces during the Seven Years' War, after which it was permanently ceded to the British

See also

• Louisbourg Expedition (1757)
  Louisbourg Expedition (1757)
  The Louisbourg Expedition was a failed British attempt to capture the French fortress of Louisbourg on Île Royale during the Seven Years' War ....
  
  , a cancelled British plan to capture Louisbourg during the Seven Years' War