Overview
The euro (symbol: €; currency code: EUR) stands as the official currency for member states within the [[European Union|European Union]], collectively known as the [[eurozone|eurozone]]. Introduced as a non-physical currency on January 1, 1999, and as physical banknotes and coins on January 1, 2002, it represents one of the most ambitious economic and political projects in modern history. Beyond the eurozone, it's also the official currency for four European microstates, one British Overseas Territory, and unilaterally adopted by two other European nations. With millions of people in the eurozone relying on it daily, and an additional millions using currencies pegged to it, the euro is a major global currency. Its existence has profoundly impacted international trade, monetary policy, and the geopolitical landscape, fostering deeper integration while also presenting unique challenges.