The U.S. Congress approves the Blaine Act to repeal federal Prohibition in the United States, sending the Twenty-first Amendment to the United States Constitution to state ratifying conventions for approval.

The United States Congress is the legislative branch of the federal government of the United States. It is a bicameral legislature, including a lower body, the U.S. House of Representatives, and an upper body, the U.S. Senate. They both meet in the United States Capitol in Washington, D.C.