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History·19 May 2026·5 min read

The birth of the euro — one currency for many peoples

In 2002, over 300 million people gave up marks, francs and lire for a common currency. The most ambitious monetary experiment in history.

The birth of the euro — one currency for many peoples
Image: CC0 · Wikimedia Commons

On January 1, 2002, many European countries did something unprecedented: they gave up their centuries-old national currencies and adopted a single currency — the euro. The German left the mark, the French the franc, the Italian the lira. Overnight, the same banknote bought coffee from Lisbon to Helsinki.

Advantages and challenges

A common currency eases trade and travel and removes currency exchange between countries. But it has a price too: countries can no longer run their own monetary policy. It's a delicate balance between unity and independence — exactly the tension that makes economics so fascinating.

And the leu?

Romania still uses the leu, but has committed to adopting the euro someday. Understanding what a common currency, exchange rate and monetary policy mean is part of the financial education Kosron wants to make accessible to everyone.