All times in UTC ·
Dashed edge = started before, or continues beyond, this day
Events on Thursday 16 January 1919 1
1919Eighteenth Amendment ratifiedUnited States constitutionally bans alcoholThe required three-quarters of states ratified the Eighteenth Amendment, prohibiting the manufacture, sale, and transport of intoxicating liquors nationwide. It took effect in January 1920 and ushered in the Prohibition era.