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World War I started on July 28, 1914- November 17, 1918. The U.S declared war on Germany and officially entered World War I on April 6, 1914. Countries wanted Germany to leave Belgium. Most countries wanted to claim more territories and respect from each rivalry countries. -
The Spanish Flu (H1N1) Outbreak was a worldwide pandemic that infected 500 billion people. The U.S. first identified the illness in the military during spring of 1918. This pandemic was a huge challenge for the U.S and all nations. It killed 675,000 Americans and 50 million across the world. The epidemic lasted until April 1920. -
Germany surrendered and all nations agreed to a peace agreement. This is known as the Treaty of Versailles.This officially ended the WWI. -
The stock market began crashing on October 24, 1929. This was also known as the Great Crash. No one expected this to happen and could not avoid it. Many families lost their jobs and became poor. This was also the start of the Great Depression. -
The Dust Bowl was a time period of severe dust storms in the Mid-West. It hurt the geographic area and its agriculture. This time period was known as the "dirty thirties" since it happened during the 1930s. It caused severe health issues and no one could go outside because of the polluted air and dangerous winds.
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President Roosevelt was elected for his 3rd term in office. This was breaking all tradition, but there were no rules against it in the U.S. Constitution. He continued for a 4th term of Presidency in 1944, but died shortly after. -
Japan made a surprise military attack before 8:00 a.m. Of December 7, 1941 on the U.S. naval base, Pearl Harbor, located in Honolulu, HI. Japanese fighter planes came over the Pacific Ocean and dropped bombs on the territory causing 2,400 Americans to die. They also damaged 20 American naval ships and over 300 airplanes. -
On December 7, 1941, the U.S. declared war on Japan. The next day, Germany and Italy declared war on the U.S. By December 11, 1941 the U.S. was officially entered into World War II. -
The U.S. and it's Allies dropped an atomic bomb on Hiroshima, located in Japan. This was an attempt to force Japan into a surrender and revenge for the Pearl Harbor attack. Three days later (Aug. 9th) another atomic bomb was dropped, but this time on Nagasaki. -
After the Hiroshima and Nagasaki attack, Japan officially surrendered. This was finally the end for WWII for the U.S.