The Judicial Code of 1911 (Pub.L. 61–475, 36 Stat. 1087, enacted March 3, 1911) abolished the United States circuit courts and transferred their trial jurisdiction to the U.S. district courts. In 1911, the United States Congress created a single code encompassing all statutes related to the judiciary and took the opportunity to revise and unify existing laws. At the same time, Congress abolished the U.S. circuit courts as of January 1, 1912, the effective date of the statute. Established by the Judiciary Act of 1789, the circuit courts served as the most important trial courts of the federal judiciary for over a century. The circuit courts lost their limited appellate jurisdiction in the Judiciary Act of 1891, which created the U.S. courts of appeals, but as part of the political compromis