On December 5, the Twenty-First Amendment to the Constitution, which repeals the Eighteenth Amendment (prohibition), becomes law with its ratification by Utah.
On January 23, the Twentieth Amendment, which sets dates for the beginning of presidential and congressional terms, becomes law with its ratification by Utah.
The Union Pacific Railroad, which began construction at Omaha, Nebraska and the Central Pacific, which first broke ground at Sacramento (both in 1863), meet at Promontory Summit, Utah Territory on May 10.
