World War II: The Grand Alliance was formed during World War II between the United States, the United Kingdom, the Soviet Union, and other allied countries to oppose the Axis powers led by Germany, Italy, and Japan. The alliance was formed to coordinate efforts and resources to defeat the Axis powers and bring an end to the war.
The War of the Spanish Succession: The Grand Alliance was formed in 1689 during the War of the Spanish Succession. It was an alliance between England, the Netherlands, the Habsburg Empire and several German states, formed to counter the claims of Louis XIV of France to the Spanish throne.
The War of the Austrian Succession: The Grand Alliance was formed in 1745 during the War of the Austrian Succession. It was an alliance between Britain, Austria, the Netherlands, and Sardinia-Piedmont, formed to oppose the Prussian invasion of Silesia and to maintain the balance of power in Europe.
The Nine Years' War: The Grand Alliance was formed in 1689 during the Nine Years' War. It was an alliance between England, the Dutch Republic, the Holy Roman Empire, the Kingdom of Spain and Savoy, formed to counter French aggression in Europe and to maintain the balance of power.