Esperanto Day
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Esperanto Day is a worldwide observance on 26 July, which celebrates the publication of Unua Libro, the first book in the Esperanto language, by the language's creator, L. L. Zamenhof on this day in 1
L. L. Zamenhof, Polish ophthalmologist and creator of Esperanto.
Attendees at the World Esperanto Congress, 1907
Unua Libro
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Dr. Esperanto's International Language, commonly referred to as Unua Libro, is an 1887 book by L. L. Zamenhof, in which he first introduced and described the constructed language Esperanto. First publ
Dr. Esperanto's International Language (1889 Geoghegan translation)
The original Russian publication of Unua Libro and the 1887 Polish, French, and German translations