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The Atanasoff–Berry Computer first conceived, Alan Turing creates the Universal Machine, and ILLIAC IV Designer Slotnick is born.
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On April 11th, 1936, Alan Turning invented the first most modern computer. Konrad Zuse also created the first free programmable computer.
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Zuse Z1 built by Konrad Zuse
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In late 1939, John Atanasoff teamed up with Clifford Berry to build a prototype. It was officially released to the public in 1942
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The Colossus Mark 1 computer is delivered to Bletchley Park, where it was released in late 1943
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The Mark 1 by Harvard University was shipped off in February of 1944 to be released.
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John Mauchly and J. Presper Eckert release The ENIAC in early 1946