Chicago
The ratification of the 18th amendment to the Constitution in 1919 made the production and sale (including exportation) of alcoholic beverages illegal in the United States. This ushered in the beginning of what is known as the Gangster Era, a time that roughly spans from 1919 until 1933 when Prohibition was repealed. The 1920s saw gangsters, including Al Capone, Dion O'Banion, Bugs Moran and Tony Accardo battle law enforcement and each other on the streets of Chicago during the Prohibition era. Chicago was the location of the infamous St. Valentine's Day Massacre in 1929, when Al Capone sent men to gun down members of a rival gang, North Side, led by Bugs Moran.
Association Against the Prohibition Amendment
The Association Against the Prohibition Amendment was established in 1918 and became a leading organization working for the repeal of prohibition in the United States. It was the first group created to fight Prohibition, also known as the 18th Amendment. The group was officially incorporated on December 31, 1920. Its activities consisted of meetings, protests, and distribution of informational pamphlets and it operated solely upon voluntary financial contribution. Due to low amount of financial contributions, the Association was largely stagnant until prominent members joined in the mid-1920s.