Original: Other names for the town, particularly of colonies placed there, are Colonia Iulia Equestris or Colonia Julia Equestris, Colonia Equestris Noiodunum, Equestris, Civitas Equestrium, and Civitas Equestrium Noiodunum.
Simplified: Nyon was built by the Romans between 50 BCE and 44 BCE, and was called "Colonia Iulia Equestris" or "Colonia Equestris Noiodunum".