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Telephone
Alexander Graham Bell was the man who invented the telephone. Bell's greatest success was achieved on March 10, 1876, marked not only the birth of the telephone but the death of the multiple telegraph as well. every house now has a telephone in them. -
car
In 1896, Benz designed and patented the first internal-combustion flat engine, called boxermotor. During the last years of the nineteenth century, Benz was the largest automobile company in the world with 572 units produced in 1899 and, because of its size, Benz & Cie., became a joint-stock company. -
Radio
the first good radio signal was sent and received in 1895. In 1899, the first wireless signal was sent across the English Channel. In 1902, the letter 'S' was telegraphed from England to Newfoundland. This was the first triumphant transatlantic radiotelegraph. -
The Great Migration
The Great Migration was the movement of 6 million African Americans out of the rural Southern United States to the Northeast, Midwest, and West from 1910 to 1970. they were runing away from the south. they headed north for better oppturninties and jobs. -
18th amendment
he United States Constitution established prohibition of alcoholic beverages in the United States. this amendment bans the use of alocohol in America. -
19th amendment
the United States Constitution prohibits any United States citizen to be denied the right to vote based on sex. It was ratified on August 18, 1920. this amendment allows women to vote. -
Emergency Quota Act
Emergency Quota Act restricted immigration into the United States. Although intended as temporary legislation, the Act "proved in the long run the most important turning-point in American immigration policy" because it added 2 new features to American immigration law: numerical limits on immigration from Europe and the use of a quota system for establishing those limits. -
Immigration Act 1924
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. down from the 3% cap set by the Immigration Restriction Act of 1921. -
Television
is a telecommunication medium for transmitting and receiving moving images that can be black-and-white or colored, with or without accompanying sound. Television has changed the world today. most people have one or want one. it is the main source of entertainment. -
Black Tuesday
the day the New York Stock Exchange crashed. people were buying stocks at high prices and tried to sell them at a even higher price. when nobody bought them they had no choice but to sell it at a lower price making them broke. -
Black Thursday
also known as the Great Crash and the Stock Market Crash of 1929, began in late October 1929 and was the most devastating stock market crash in the history of the United States, when taking into consideration the full extent and duration of its fallout. -
1933 economy
The Great Depression was a severe worldwide economic depression in the decade preceding World War II. The timing of the Great Depression varied across nations, but in most countries it started in 1930 and lasted until the late 1930s or middle 1940s.due to the stock market crash and other series of events lead to the great depression. -
Hoover Dam constructed
the Dam was a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the US states of Arizona and Nevada. It was constructed between 1931 and 1936 during the Great Depression and was dedicated on September 30, 1935, by President Franklin D. Roosevelt. Its construction was the result of a massive effort involving thousands of workers, and cost over one hundred lives. it was named after herbert hoover. -
Franklin D. Roosevelt elected President
FDR, was the 32nd President of the United States and a central figure in world events during the mid-20th century, leading the United States during a time of worldwide economic depression and total war. he was the only president to be elected more then two terms. -
21st amendment
the United States Constitution repealed the Eighteenth Amendment to the United States Constitution, which had mandated nationwide Prohibition on alcohol. this amendment allows alcoholic beverages to be selled in America. -
Computer
The Atanasoff–Berry Computer (ABC) was the world's first electronic digital computer, albeit not programmable.[23] Atanasoff is considered to be one of the fathers of the computer. Conceived in 1937 by Iowa State College physics professor John Atanasoff, and built with the assistance of graduate student Clifford Berry, the machine was not programmable, being designed only to solve systems of linear equations. -
GI Bill of Rights
known informally as the G.I. Bill, was a law that provided a range of benefits for returning World War II veterans Benefits included low-cost mortgages, loans to start a business or farm, cash payments of tuition and living expenses to attend college, high school or vocational education, as well as one year of unemployment compensation. helped out the war vets. -
Frisbee invented
a Los Angeles building inspector named Walter Frederick Morrison and his partner Warren Franscioni invented a plastic version of the Frisbie that could fly further and with better accuracy than a tin pie plate. Morrison's father was also an inventor. -
Internet
the internet was a huge step in the computer world. it has changed the world today and everybody is using it. the internet is a major source of information and entertainment.
