Spain in the American Revolutionary War

Spain actively supported the Thirteen Colonies throughout the American Revolutionary War, beginning in 1776 by jointly funding Roderigue Hortalez and Company, a trading company that provided critical military supplies, through financing the final Siege of Yorktown in 1781 with a collection of gold and silver in Havana, Cuba. Spain was allied with France through the Bourbon Family Compact, and also viewed the Revolution as an opportunity to weaken the British Empire, which had caused Spain substantial losses during the Seven Years' War. As the newly appointed Prime Minister, José Moñino y Redondo, Count of Floridablanca, wrote in March of 1777, "the fate of the colonies interests us very much, and we shall do for them everything that circumstances permit".

Aid to the Colonies: 1776–1778

Spanish aid was supplied to the colonies through four main routes: from French ports with the funding of Roderigue Hortalez and Company, through the port of New Orleans and up the Mississippi River, from the warehouses in Havana, and from Bilbao, through the Gardoqui family trading company.

Smuggling from New Orleans began in 1776, when General Charles Lee sent two Continental Army (the army of the Thirteen Colonies) officers to request supplies from the New Orleans Governor, Luis de Unzaga. Unzaga, concerned about overtly antagonizing the British before the Spanish were prepared for war,...
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