On April 8, the Seventeenth Amendment to the Constitution, requiring the direct election of U.S. Senators, becomes law with its ratification by Connecticut.
On July 9, the Fourteenth Amendment to the Constitution, which guarantees the rights of citizens and makes citizens of ex-slaves, becomes law with its ratification by South Carolina.
On June 15, the Twelfth Amendment to the Constitution, which reorders the presidential selection process, becomes law with its ratification by New Hampshire.
On February 7, the Eleventh Amendment to the U.S. Constitution, which limits U.S. Supreme Court jurisdiction, becomes law with its ratification by North Carolina.