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National Council of Teachers of Mathematics was created in 1920.
Korea Sports Council was created in 1920.
Daniel Webster Council was created in 1920.
The 'Temperance Movement' in the United States during the 1920's lobbied for a prohibition of the sale of alcohol.
According to Ken Burns' documentary, women's temperance leagues-
New York State resisted temperance pressure better than most states but had to comply with National Prohibition beginning in 1920.
Workers' Council of the United States was created in 1920.
There is no question that the temperance movement, particularly, the Women's Christian Temperance Union (WCTU), was the most important political force which resulted in Prohibition in 1920. There could never have been Prohibition without the WCTU.
National Sports Around the World - 1920 was released on: USA: September 1920
Little Journeys in the National Forests of Colorado - 1920 was released on: USA: 1920
The NBA (National Basketball Association) did not exist in 1920.
Jerome National Bank was created in 1920.