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start of writing (hieroglyphics)

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Invention of the printing press (guttenberg)

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Joseph Henry built the first telegraph, and Samuel Morse powered it

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Nikola Tesla invents the first radio

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investment of the phone

Antonio Megucci - Alexander Graham Bell

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John Logie Baird inveted the TV

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The U.S.A created the ARPANET, antecessor of the internet