when was the euro introduced

The euro was introduced in two main stages: it became an accounting/financial currency on 1 January 1999, and physical notes and coins entered circulation on 1 January 2002.

Quick Scoop: Key Dates

• 1 January 1999: The euro was launched as a non-cash currency, used for electronic payments, accounting, and financial markets.

• 1 January 2002: Euro banknotes and coins were introduced for everyday use in the participating countries.

• By March 2002: The euro had largely replaced former national currencies (like the franc, mark, lira) in those states.

So, if you mean “when did the euro start existing as the official common currency?”, the answer is 1 January 1999; if you mean “when did people start using euro cash in shops?”, that’s 1 January 2002.

TL;DR:

• Official launch (non-cash, accounting): 1 January 1999.

• Notes and coins in your pocket: 1 January 2002.

Information gathered from public forums or data available on the internet and portrayed here.