1 Jan 1919: 18th Amendment ratified The 18th Amendment, which prohibited the manufacture, sale, or transportation of alcoholic beverages, was ratified.
2
1920
19 Jan 1920: Prohibition begins The Volstead Act went into effect, implementing the 18th Amendment.
18 Aug 1920: 19th Amendment ratified The 19th Amendment was ratified, granting American women the right to vote.
3
1921
1 Jan 1921: Emergency Quota Act Congress passed a law limiting the number of immigrants from any country to 3% of the people from that country already living in the U.S.
1919 - 1921 (2 years)
