Oh, I agree that none did .. except for the northern counties of Virginia becoming West Virginia. And I'm not saying that there is not a certain amount of hypocrisy on the part of the Northern States. However, where does the right to "secede" end. If carried to its logical conclusion, there is no end, meaning that any county, township, city, or conglomeration of families could secede from whatever larger area grouping they belonged to, becoming "independent" countries.
Article VI, Clause 2: This Constitution, and the Laws of the United States which shall be made in Pursuance thereof; and all Treaties made, or which shall be made, under the Authority of the United States, shall be the supreme Law of the Land; and the Judges in every State shall be bound thereby, any Thing in the Constitution or Laws of any State to the Contrary notwithstanding.