History of Business Post Civil War By paulg71304 May 9, 1865 Civil War Ends 1870 Mechanization Took Over Southern Farmlands 1897 United States was Largest Free Trade Market in the World 1907 U.S. Immigration Peaks 1913 Ford Introduces Assembly Line Dec 23, 1913 Federal Reserve Formed Jul 28, 1914 World War I Aug 15, 1914 Panama Canal Opens Oct 29, 1929 Great Depression Aug 4, 1930 First U.S. Supermarket Opens 1934 Federal Housing Administration Dec 17, 1935 First DC-3 Flight Sep 1, 1939 World War II 1946 Baby Boom Begins Jul 17, 1955 Disneyland Opens 1957 First Toyota Sold in U.S. 1958 First Credit Card Jul 29, 1958 NASA Founded 1962 First Wal-Mart Jan 11, 1964 Report Says Smoking Causes Lung Cancer Jul 30, 1965 Establishment of Medicare Mar 29, 1979 Three Mile Island Disaster Nov 9, 1989 Fall of Berlin Wall Apr 1, 1991 Minimum Wage Raised to $4.25 Jan 1, 1995 World Trade Organization Founded Jan 9, 2007 Debut of iPhone Sep 29, 2008 Stock Market Crash Mar 23, 2017 Legalization of Marijuana in Eight States