When did the monetary unit in Italy change?
The Euro was introduced as the official currency of the European Union as an accounting unit in 1999 and was adopted as coin and paper currency on the 1 Januray 2002 and Italy is a member of the EU. When the currency was adopted for a certain period of time [variable per country] there was dual currency circulation – the former national currency [Italian Lira] and Euros. In Italy this period was extended to almost two years.