Esperanto is a constructed international auxiliary language based on a mix of English, German, French, and Spanish. It has just 16 rules and each letter has only one pronunciation. It was created in 1887 by the Polish doctor L. L. Zamenhof. – WTF Fun Facts
Source: https://en.m.wikipedia.org/wiki/Esperanto
WTF Fun Fact – Esperanto Language
Also, it’s spoken all over the world, with speakers well connected and really open towards people who want to learn the language. We celebrate hundreds of meetings every year in different countries, being Universala Kongreso the largest event, which can gather thousands of ”Esperantists” in one city. This year, it’s happening in Vancouver, Canada.