TONA

If any citizen of the United States shall accept, claim, receive or retain, any title of nobility or honour, or shall, without the consent of Congress, accept and retain any present, pension, office or emolument of any kind whatever, from any emperor, king, prince or foreign power, such person shall cease to be a citizen of the United States, and shall be incapable of holding any office of trust or profit under them, or either of them

History
The first Titles of Nobility Amendment was originally proposed in 1789, but failed to get the support necessary to move on to the ratification process. The Titles of Nobility Amendment was proposed again in 1810, and was passed out of the US legislature for ratification by the States without a time limit. The Titles of Nobility Amendment is the only remaining active proposed amendment to the United Stated Constitution.

The Controvercy
The amendment arose and was being actively debated in the period prior to the War of !812. Many of the records of the federal government as well as some of the States were destroyed during the war. There appears to be no record of the Amendment having been formally adopted, but it was assumed to have been ratified and adopted at different times and in various places. Some period texts and copies of the Constitution contain this amendment as the 13th Amendment.

Conspiracy Theories
There are several conspiracy theories involving this amendment. They mostly involve the various foreign interests which were involved in the United States at that time, Great Britain, France, foreign finance, or combinations of these.