The Catholic Defender: The Catholic Church during the King George's War (1744–1748)

King George’s War (1744–1748), the Catholic Church operated as a central pillar of French imperial identity in North America while serving as a primary target for the apocalyptic anti-Catholic zeal of British colonial Puritans. 

The Conflict in New France and Acadia

The Bishopric of Quebec: Led by Bishop Henri-Marie Dubruil de Pontbriand, the Church in New France framed the struggle against Britain as a holy cause, issuing pastoral letters (mandements) that ordered prayers for King Louis XV's victories and equated dying for the colony with martyrdom.

 Catholic clergy, notably Jesuits like Father François Piquet and Récollet missionaries, actively integrated spiritual leadership with intelligence-gathering and diplomacy alongside Indigenous allies.

 Acadian communities in Nova Scotia, fiercely loyal to their Catholic faith, resisted British demands for unconditional oaths of allegiance that conflicted with their religious and national ties. 

The Siege of Louisbourg (1745)

Crusading Zeal: New England colonial forces viewed the capture of the Catholic stronghold of Fortress of Louisbourg as a battle against a "stronghold of Satan". 

 Following the 1745 surrender, some New England military chaplains—such as the 70-year-old Parson Moody—used axes to deface altars and destroy religious imagery inside the fortress's military chapel. 

 Under the 1748 Treaty of Aix-la-Chapelle, Louisbourg was returned to France, restoring Catholic worship to the garrison before the final handover and subsequent conflicts. 

The Treaty of Aix-la-Chapelle (1748) ended the War of the Austrian Succession. It was signed on October 18, 1748, in Aachen (then Aix-la-Chapelle), Germany, primarily by Great Britain, France, and the Dutch Republic.

Treaty of Aix-la-Chapelle was signed on October 18, 1748. It ended the War of the Austrian Succession. Most captured lands went back to their original owners, but the deal solved very little and led straight to the Seven Years' War. 

Britain gave back the French fort of Louisbourg in North America. France gave back Madras in India to Britain.

Prussia: Prussia kept the rich land of Silesia won from Austria. This made Prussia much stronger.

Austria: Maria Theresa kept her Austrian lands, but she had to give up some Italian lands to Spain.

France stopped helping the Jacobite rebel Charles Edward Stuart (Bonnie Prince Charlie).

The deal did not fix trade fights between Britain and France overseas.

Austria and Prussia now hated each other more, which changed future alliances in Europe.

War of the Austrian Succession (1740–1748) was a major European conflict over whether Maria Theresa could inherit the Austrian Habsburg throne, and its unresolved land and colonial disputes directly caused the Seven Years' War. 

 Emperor Charles VI died without a male heir, leaving his daughter Maria Theresa to rule. Neighboring powers like Prussia and France challenged her right to rule to seize Habsburg lands.

 Prussia invaded the wealthy Austrian province of Silesia. This drew in a massive web of allies, pitting Austria, Great Britain, and the Dutch Republic against France, Prussia, and Spain.

The Treaty of Aix-la-Chapelle ended the war in 1748. It let Maria Theresa keep her throne, but forced her to hand Silesia over to Prussia.

The Desire for Revenge: Austria deeply resented losing Silesia to Prussia and wanted to reclaim the rich territory.

 Old alliances completely flipped in 1756. Great Britain abandoned Austria to ally with Prussia because Britain wanted to protect its German territory of Hanover. Shocked by this betrayal, France allied with its historic enemy, Austria. 

The 1748 treaty felt like a temporary break rather than a real peace. When Prussia invaded Saxony in 1756, it triggered the Seven Years' War, resuming the fight over European power and global colonies.

The Seven Years' War, 1756 to 1763, was a global war fought by numerous great powers, primarily in Europe, with significant subsidiary campaigns in North America and the Indian subcontinent.

The primary warring states were Great Britain and Prussia fighting against France and Austria, with other countries joining these coalitions: Portugal, Spain, Sweden, and Russia, plus Saxony and many other minor states of the Holy Roman Empire.

Related conflicts include the Third Silesian War, French and Indian War,^[n] Third Carnatic War, Anglo-Spanish War (1762–1763), and Spanish–Portuguese War.