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The telephone was discovered by Alexander Graham Bell
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The first airplane was discovered by The Wright Brothers
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E = mc2 was discovered by Einstein. It's a formula that is really important. E = Energy M = Mass C= Speed Of Light
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World War 1 was started in 1914 and it ended in 11 November, 1918
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Alecander Flaming discovered penicilin. It is an antibiotics to cure Gonorrhea.
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World war 2 started on first of September 1939. It ended in September second 1945.
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The first atomic bomb happened at 8:16 a.m in Hiroshima. It was dropped by the American Soldiers.
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James Watson and Francis Crick present their research in Nature, describing the architecture of the double helix, which forms the molecular structure of DNA.
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Sputnik 1 was a satellite from Russia.It was a 585 mm (23 in) diameter shiny metal sphere, with four external radio antennae to broadcast radio pulses.The Soviet Union launched Sputnik.
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Yuri Gagarin was the first man in space. He was from Russia. He was a Soviet Pilot and a Cosmonaut