The International Auxiliary Language Association that existed from 1924 to 1954 was a notable proponent of international auxiliary languages. Although it was originally created to determine which auxiliary language of a wide field of contenders would be the best suited to the task of international communication, it eventually changed direction into creating its own language. It would later publish materials in and about Interlingua from 1951 until 1954. 1924 was a leap year starting on Tuesday (link will take you to calendar). ... 1954 was a common year starting on Friday of the Gregorian calendar. ... An international auxiliary language (sometimes abbreviated as IAL or auxlang) is a language used (or to be used in the future) for communication between people from different nations who do not share a common native language. ... Interlingua edition of Wikipedia The international auxiliary language Interlingua is a constructed language based on the Romance languages. ... 1951 was a common year starting on Monday; see its calendar. ... 1954 was a common year starting on Friday of the Gregorian calendar. ...