Template:Selected anniversaries/July 21

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  • 1911: Professor of English and philosopher of communication theory Marshall McLuhan born. He will coin the expressions "the medium is the message" and "global village".

    1911: Professor of English and philosopher of communication theory Marshall McLuhan born. He will coin the expressions "the medium is the message" and "global village".

  • 1912: Miniaturized version of John Ambrose Fleming delivers lecture from within Fleming tube.

    1912: Miniaturized version of John Ambrose Fleming delivers lecture from within Fleming tube.

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