Premise: The United States Ambassador to Sweden (Swedish: "USA:s ambassadör i Sverige" ) serves as the official diplomatic representative of the President and the Government of the United States of America to the King and the Government of the Kingdom of Sweden. Diplomatic relations between Sweden and the United States began with the signing of the Treaty of Amity and Commerce in 1783.
Hypothesis: Sweden and the United States signed a treaty establishing formal diplomatic relations prior to the ratification of the treaty which ended the American Revolution.