The Blaine Act was sponsored by Wisconsin Senator John J. Blaine and passed by the United States Senate on February 17, 1933. It initiated the repeal of the Eighteenth Amendment to the United States Constitution, which established Prohibition in the United States. The repeal was formally adopted as the 21st Amendment to the Constitution on December 5, 1933.
- "John J. Blaine, former US senator and governor, dies", Fennimore Times, April 18, 1934
- "History of alcohol prohibition", National Commission on Marihuana and Drug Abuse, based in large part on a paper prepared for the Commission by Jane Lang McGrew
- "Prohibition: The 21st Amendment", TIME, February 27, 1933