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Period: to
1900s
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Insulin was first used to treat diabetes
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Frozen food was intoduced to the world
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The Great Depression
On this date, the biggest stcok market crash occured. 13-15 million people were unemplyed during this time. In Germany, six million are unemployed by June 1932. Economic distress contributes to the Nazi party. As a result, the Nazi party wins the votes of almost 40 of the electorate in the Reichstag (German parliament). This event was significant because it pushed the US to have a better economic system and World War 2 marked the end to The Great Depression. -
"Star-spangled Banner" becomes the National Anthem of U.S.
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Stop-action photography
Harold Edgerton used his invention to capture events too fast to see with the human eye, such as droplets of liquid splashing and bullets flying through mid-air. This invention was significant because with this invention you could discover things in science we didnt know about. It pushed us farther in the science field and allowed us to see images the wrold has never seen before. -
Franklin Roosevelt elected the U.S president
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Hitler comes to power
The worldwide economic depression had hit the country especially hard as people in Germany were looking for change. With Hitlers persuasive speeches he promised the people a better life. This event was significant because without hitler coming to power he wouldnt have been able to accompish what he did later in his life. -
FM radio is invented
FM radio was invented by Edwin Howard Armstrong in the 1900s. FM radio is broadcasting news/music or anything you want over the radio. This was very significant because it would allow people to spread news and information around to people or the world in the matter of seconds. -
First blood bank started
First blood bank was started in 1937 by the man named Bernard Fantus. His blood bank could store blood up to 10 days. This invention was crucial to society because storing blood could save many lives of people including soldiers from war or just ordinary people that need blood from an injury or sickness. -
Invention of the photocopier
The photocopier was invented by Chester Carlson in 1937. The photocopier can copy something that is alreay written as many times as you want instead of writing it by hand again. This invention was significant because instead of handwriting every peice of writing you could make a copy in a few seconds. This was very important because you spread news quickly and let people know on whats going on.
