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: History Nyon was built by the Romans between 50 BCE and 44 BCE , and was called '' Colonia Iulia Equestris '' or '' Colonia Equestris Noiodunum '' .