1. januar 1999 indførtes euroen, og Eurosystemet — som bestod af ECB og de nationale centralbanker — overtog ansvaret for det nye euroområdes monetære politik.
On 1January 1999, the euro was introduced and the Eurosystem, composed of the ECB and the national central banks (NCBs) of the euro area Member States, took over responsibility for monetary policy in the new euro area.