The Triple Alliance was a defence pact signed on 4 January 1717 in The Hague between the Dutch Republic, France and Great Britain, against Bourbon Spain in an attempt to maintain the agreements of the 1713–15 Peace of Utrecht.
[1] Philip resented these conditions, and sought to recapture the lost territories to strengthen Spain in the post-war period without starting a new great war.
Meanwhile, he supported the Cellamare conspiracy to seize the French regency (exerted by Philippe II, Duke of Orléans over infant king Louis XV) for himself.
Then, on 4 January 1717, the Dutch Republic concluded a defence pact with Britain and France in The Hague, in effect enlarging the bilateral alliance to a trilateral one.
On 4 January 1717, Guillaume Dubois and Pierre Antoine de Châteauneuf sent by Philip II of Orléans (regent of France during the minority of King Louis XV), William Cadogan representing George I of Great Britain and the delegates of the States General of the Netherlands, reunited in the city of The Hague, signed the agreement, which included as main points the following:[3] In 1718, with the adhesion of the Holy Roman Empire through the signing of the Treaty of London, it became the Quadruple Alliance.