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Invented by Karl Benz He is the creator of Mercedes Benz.
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The radio was a way people communicated around the phone other than the phone. this changed the world
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The Great Migration was the movement of 6 million African-Americans out of the rural Southern United States to the Northeast, Midwest, and West for most of the 20th century.
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The Eighteenth Amendment of the United States Constitution effectively established the prohibition of alcoholic beverages in the United States by declaring the production, transport and sale of alcohol illegal.
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this made alcohol legal
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this gave the women the right to vote
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Also known as the emergency immigration act, this is important to history because this is the time that they decided to limit the amount of immigration. 357,802 immigrants will be able to come annually. 1921-1924 and it was passed.
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The immigration act was a United States federal law that limited the annual number of immigrants who could be admitted from any country to 2% of the number of people from that country who were already living in the United States in 1890
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Commercially available since the late 1920s, the television set has become commonplace in homes, businesses and institutions, particularly as a vehicle for advertising, a source of entertainment, and news
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Concidered the beginging of the tumultous time period in the stock market's history leading up to the great depression
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The start of the stock market falling.
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They constructed the hoover dam in 1931 and finished in 1936, when Roosevelt was president.
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Roosevelt was elected and started the new deal programs.
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This was the day that Roosevelt declared to close down the banks for a "3-day holiday" because the banks couldnt keep up with all the withdrawals and transactions being made.
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The first electronic computers were developed in the mid-20th century (1940-1945) and were the size of a room.
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A law that provided benefits for returning WWII veterans. Such as low mortgage, low interest loans, and even things like one year unemployment compensation.
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Technically the frisbee was invented in 1871 when a student realized a pie pan could be tossed and caught, but in 1948 was when they made the plastic version of the frisbee.
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Originally it was just email and FTP sites as well as the Usenet where scientists could question and answer each other but has now changed so everybody can use it and since then has revolutionized the world.
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Invented by Alexander Graham Bell and his assisstant Thomas A Watson. This was important because people could finally talk without having to be face to face.