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The Roaring Twenties was a period in American history of dramatic social, economic and political change.
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Sun Yat-sen, who was known as "The Father of Modern China" and leader of the Chinese Nationalist Party. He was known his part in overthrowing the Qing dynasty and served as the first president of the Republic of China (1911–12). -
Since the invention of penicillin, it has helped doctors and nurses in the treatment of severe illnesses like gonorrhea, bacterial endocarditis, syphilis, pneumococcal pneumonia, and meningitis. Date of Invention: 1928
Inventor: Dr. Alexander Fleming -
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The Great Depression was a severe global economic downturn that affected many countries across the world. It became evident after a sharp decline in stock prices in the United States, the largest economy in the world at the time, leading to a period of economic depression.
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The Wall Street Crash of 1929, kicking off the Great Depression
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The Dust Bowl was the name given to the drought-stricken southern plains region of the United States, which suffered severe dust storms during a drought in the 1930s. As high winds and choking dust swept the region from Texas to Nebraska, people and livestock were killed and crops failed across the entire region. The Dust Bowl intensified the crushing economic impacts of the Great Depression and drove many farming families on a desperate migration in search of work and better living conditions.
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Adolf Hitler becomes chancellor of Germany and later assumes dictatorial powers. German rearmament takes off. -
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Germany invades Poland, inciting Poland’s allies Britain and France to declare war on Germany. -
Working in concert with Hitler, Soviet leader Joseph Stalin orders the invasion of Poland, securing a share of Polish territory.
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June 10, 1940, Italy declared war. Italian and British territories in Africa would ignite into conflict, shifting the war from the European continent for the first time. The ensuing North African Campaign would have a decisive impact on the future of the Second World War.
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D-Day was the name given to the June 6, 1944, invasion of the beaches at Normandy in northern France by troops from the United States, Canada, the United Kingdom and other countries during World War II. France at the time was occupied by the armies of Nazi Germany. 156,000 Allied soldiers on the beaches of Normandy by the end of the day. -
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The Trinity Test was code name for the first detonation of a nuclear weapon, conducted by the United States Army on July 16, 1945 on a test site located on the U.S. Air Force base at Alamogordo, New Mexico. -
On August 6, 1945, during World War II (1939-45), an American B-29 bomber dropped the world’s first deployed atomic bomb over the Japanese city of Hiroshima. Three days later, a second B-29 dropped another A-bomb on Nagasaki, killing an estimated 40,000 people.
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Japan’s Emperor Hirohito announced his country’s unconditional surrender in World War II in a radio address on August 15, citing the devastating power of “a new and most cruel bomb.”
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Mao Zedong, having led the Communists to victory against the Nationalists after more than 20 years of civil war, proclaims the founding of the People's Republic of China. The Nationalists retreat to the island of Taiwan and set up a government there.