The euro sign (€) has Greek heritage and represents the first letter of the word "Europe"

The physical introduction of the euro involved the largest cash changeover in history, 

The euro is the official currency of 19 European Union (EU) countries and is also used in Kosovo 

Euro banknotes are made from sustainable materials 

The euro was introduced as a noncash monetary unit in 1999 

Euro banknotes do not display famous national figures, 

There are more than 200 languages spoken in Europe, and 24 of these are recognized as the official languages of the European Union 

The euro coins feature one side with a common design symbolizing the unity of Europe 

The euro could eventually rival the U.S. dollar as an international currency 

The euro is used by countries outside the EU, such as Kosovo and Montenegro, where their currency is tied to the value of the euro