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The 1920 United States census, conducted by the Census Bureau during one month from January 5, 1920, determined the resident population of the United States to be 106,021,537, an increase of 15.0 percent over the 92,228,496 persons enumerated during the 1910 census . Despite the constitutional requirement that House seats be reapportioned to ...
January 2 – First Red Scare: The second of the Palmer Raids takes place with another 4,025 suspected communists and anarchists arrested and held without trial in several cities. January 5 – 1920 United States Census count begins. This becomes the first census to record a population exceeding 100 million, at 106,021,537.
The tabulating machine was an electromechanical machine designed to assist in summarizing information stored on punched cards. Invented by Herman Hollerith, the machine was developed to help process data for the 1890 U.S. Census. Later models were widely used for business applications such as accounting and inventory control.
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Mr Patrick Gordon-Duff-Pennington. Ardverikie House, Scottish Highlands. Muncaster Castle. Mrs Althea Dundas-Becker. Arniston House, Midlothian. Major-General Sir John Swinton of Kimmerghame. Kimmerghame House, Berwickshire. Sir John Roderick Hugh McEwen of Marchmont and Bardrochat Bt, Commander of Clan MacEwen.
1920s; 1930s; 1940s; 1950s; 1960s; 1970s; ... 1920 United States census This page was last edited on 9 September 2020, at 07:30 (UTC). Text is available under the ...
A timeline of United States inventions (1890–1945) encompasses the innovative advancements of the United States within a historical context, dating from the Progressive Era to the end of World War II, which have been achieved by inventors who are either native-born or naturalized citizens of the United States.
In the 1920 United States census, Michigan was recorded as having a population of 3,668,412, ranking as the seventh most populous state in the country. By 1930, Michigan's population had increased by 32.0% to 4,842,325. Cities. The following is a list of cities in Michigan with a population of at least 15,000 based on 1920 U.S. Census data.