Ido is a constructed language derived from a reformed version of Esperanto, and designed similarly with the goal of being an international auxiliary language for people of diverse languages. To functi
The International Ido Congress in Dessau, Germany, in 1922.
Volapük is a constructed language created in 1879 and 1880 by Johann Martin Schleyer, a Roman Catholic priest in Baden, Germany. Notable as the first major constructed international auxiliary language
Ido
…century Hildegard of Bingen invented a set of words known as the Lingua Ignota. The concept did not attract significant interest until the language Volapük was created in 1879. Volapük was popular for some time and apparently had a few thousand users, but was later eclipsed by the popularity of Esperanto…
Johann Martin Schleyer, the creator of Volapük
Commemorative inscription for J. M. Schleyer on the wall of the parsonage in Litzelstetten, Konstanz, written in Volapük and German: Menade bal – püki bal Eine Menschheit – eine Sprache (One mankind – one language)