Segregación de Nerva Historical milestone · Nerva, Cuenca Minera, Huelva Image of Nerva, not of the place itself. Nerva was established as an independent municipality on 7 August 1885, splitting off from Zalamea la Real and the hamlet of El Ventoso. 7 de agosto de 1885 Photo: 80kmh (CC BY 4.0) What to see and do in Nerva