The Treaty of Oxford was a treaty between Britain and France in 1808 upon the defeat of Britain in the War of the Fourth Coalition. The treaty forced Britain to open its ports to French traders in order to help the French economy and dis not allow tariffs on French imports. French allies were also given special trading benefits with Britain. Britain was also not allowed to retain a navl presence in the English Channel to maintain French dominance, and were not allowed to ally with any nation unless that nation was allied with France in order to avoid any further coalitions.
The treaty was signed in Oxford, England on May 28, 1808.