The Chronograph of Inventions

July 26

  • On this date in 1730, the production of the Tsar bell began in Moscow.

    On this date in 1887, the Polish ophthalmologist Ludwik Lazarz Zamenhof published a brochure under the title “International Language. Foreword And Complete Textbook”, and the world was told about an artificial language for human communication called esperanto, by the nickname of the author which in his invented language means “hopeful”.

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