Spanish and French War of 1803

The Spanish and French War of 1803 conflict that occurred in the years between 1803-1806. It was between the nations of France and Spain. It was sparked when France gave the Louisiana territory to the young United States of America in 1803. This broke an agreement stated in The Third Treaty of San Ildenfoso. Under the agreement, if France wanted to give up Louisiana, they would give it back to Spain. After the purchase was made, Spain declared war on France, and the three year conflict began.