The Great Depression began in 1930 in the United States then later moved to other countries
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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. It spawned a class of machines, known as unit record equipment, and the data processing industry
The american civil war beacause you cant just search only that up. You will get lots of answers beacuse more than one thing happened then.
The Battle of Saratoga, comprising two significant battles during September and October of 1777, was a crucial victory for the Patriots during the American Revolution and is considered the turning point of the Revolutionary War. The Battle was the impetus for France to enter the war against Britain, re-invigorating Washington’s Continental Army and providing much needed supplies and support.