Artificial Languages

Esperanto 1887

Idiom Neutral 1902

Ido 1903

Interglossa 1943

Interlingua 1950

Loglan 1955

Niu Tutonish 1906

Novial 1928

Occidental 1922

Pankel ?

Tutonish 1888

Volapuk 1879

Klingon 1985

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