7 Year War
The Seven Years' War (1756–1763) was a global conflict involving most of the European great powers. It was primarily fought in Europe and the Americas. One of the opposing alliances was led by Great Britain and Prussia. The other alliance was led by France and Austria, backed by Spain, Saxony, Sweden, and Russia. The French and Indian War (1754–1763), the Anglo-Spanish War (1762–1763), and the Spanish–Portuguese War (1762–1763) were all parts of the Seven Years' War.
The War of the Austrian Succession ended in 1748, but failed to resolve ongoing tensions between the European powers. Continuing colonial disputes between Britain and France in North America resulted in the outbreak of the French and Indian War in 1754. Following the realignment of traditional alliances in the so-called 1756 Diplomatic Revolution, Prussia allied with Britain, while the long running French–Habsburg rivalry ended when Austria signed a treaty with France.
Spain entered the war on the French side in 1762, unsuccessfully attempting to invade Britain's ally Portugal in what became known as the Fantastic War. Spain lost Havana in Cuba and Manila in the Philippines to Britain, but they were returned in the 1763 Treaty of Paris.
In Europe, the large-scale conflict that drew in most of the European powers was centred on the desire of Austria to recover Silesia from Prussia. The Treaty of Hubertusburg ended the war between Saxony, Austria, and Prussia in 1763. France's supremacy in Europe was halted, while Prussia confirmed its status as a great power, challenging Austria for dominance within the Holy Roman Empire, thus altering the European balance of power.
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