In 1787, The Constitution of the United States of America was signed. As dictated by Article 7, the document would not become binding until it was ratified by nine of the 13 states. The U.S. Constitution has 4,400 words and It is the oldest and shortest written Constitution of any major government in the world. Currently, all four pages are displayed behind protective glass framed with titanium. The cases in which the pages are kept, contain argon gas at 67 degrees Fahrenheit with a relative humidity of 40 percent. According to the first signed constitution, only male property-owners could vote and African Americans were not considered citizens. Women were excluded from the electoral process and native Americans were not given the right to vote. When the Constitution was signed, the United States population was 4 million. Slavery was abolished through The Thirteenth amendment, one of the 27 amendments that the constitution has.
In 1862, The Bloodiest Single Day of the American Civil War takes place.
The Battle of Antietam was fought in Maryland. Thought to be the deadliest single day of the American Civil War – at least 4000 soldiers on both sides died. The battle lasted about 12 hours, while the front line of fighting did not move.
In 1911, The first transcontinental airplane flight started. Pilot Cal Rodgers tries to win the equivalent 1.1 million USD prize for flying coast to coast in an airplane in less than 30 days. The plane was a modified Wright Flyer B and the pilot only had 90 minutes of flight time, no instruments and no gauges, but only a 4,000-plus–mile flight in front of him. It took 70 stops , 15 crash landings and numerous hospital visits during the trip. The plane had been repaired and rebuilt many times during the trip and it took 82 hours to fly from New York City to Pasadena. It reached destination on November 5 so Rodgers had missed the deadline by 19 days.
In 1930, Construction of Hoover Dam began in Black Canyon, near Las Vegas. Hoover Dam has a height of 221 meters and impounds Lake Mead, the largest reservoir in the United States by volume. An entire city was created for people working on the once Earth’s tallest dam. It used about 4.5 million cubic yards of concrete , enough to build 3000 miles of highway from one end of the United States to the other. There is so much concrete that it would have taken it 125 years to cool if a refrigerating system wouldn’t have been built. Hoover Dam’s power plant was the world’s largest hydroelectric station, with installed capacity of 2,080 megawatts and powers homes and business in Nevada, Arizona and California.
In 1939, The Soviet Union invaded Poland without a formal declaration of war. Joseph Stalin signed the Molotov–Ribbentrop Pact with Adolf Hitler on 23 August. German forces invaded Poland from the west, north, and south on the 1st of September. The Soviet government propaganda stated that their actions were to protect the Ukrainians and Belarusians who lived in the eastern part of Poland.
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AIRLIFT . Why in Berlin? https://www.youtube.com/watch?v=qarfDp9EKA8
HIGGS BOSON. Why is it called the God Particle? https://www.youtube.com/watch?v=LhvRtOkloMU
Who made the FIRST TRAIN? https://www.youtube.com/watch?v=u6wPoeXWmtI
How big is FACEBOOK? …and WHY is it BLUE? https://www.youtube.com/watch?v=ptw8Xcux580
The PACIFIC OCEAN. How deep is it? https://www.youtube.com/watch?v=Jof_mHvR6fc
HONDA. How big is it? https://www.youtube.com/watch?v=sJIOr0MYn0c
NEPTUNE. Could we LIVE on it? https://www.youtube.com/watch?v=7H6UmJegcgA
SALEM WITCHES. Do they still EXIST? https://www.youtube.com/watch?v=DLAwB73j_q4
Who made the FIRST PLANE FLIGHT? Did it crash? https://www.youtube.com/watch?v=evlG4Ym0Ke4
GOLD STANDARD. What is it? https://www.youtube.com/watch?v=skq2r923jyQ
PARIS SIEGE and MAIL BALLOONS. Did it work? https://www.youtube.com/watch?v=DWjDrlSgK_o
Easter Island Statues. WHO made the moai? https://www.youtube.com/watch?v=QYn7L4wzuPA
HOOVER DAM. Has it COOLED down? https://www.youtube.com/watch?v=otGkBffyKPo
WHY do we celebrate THANKSGIVING? https://www.youtube.com/watch?v=Rfx0-_Rxe_Y
Biggest BANKRUPTCY in the United States: https://www.youtube.com/watch?v=_QsdDu7Fods
INTERNET. Who REALLY invented it? https://www.youtube.com/watch?v=ReUHGm-4sNY
Is TESLA the INVENTION of the century? https://www.youtube.com/watch?v=0mKfgZ-U_BA
About Dubai and its SECRET: https://www.youtube.com/watch?v=KGvvd36wLmI
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