Involvement - France is one of the six founding member of theEU.
It is one of the 6 core founding countries of the EU, so France technically founded & joined the EU in 1958.
Euro was introduced in 1999, and since 2012 France uses the Euro exclusively.
Because France used to be a powerful colonialist, they have overseas regions, territories which are not located in Europe, but their citizens are european citizens. For example, French Guiana people can live & work in Europe based on their French citizenship.
Because of its resemblance to a hexagon, france is sometimes called l’Hexagone
France abolished the guillotine as the capital method of punishment only in 1981 - 23 years after they founded the EU. The last person to be punished in France by guillotine was executed on 10 September 1977.