@Walter Hinteler,
So EU has stopped wars in Europe? I would say within EU. I would bet my right hand there would have not been any war amongst the first EU countries anyway.
What do we need an EU army for?
1991–1995 Croatian War of Independence
1992–1995 Bosnian War
1993 Cherbourg incident
1993 Russian constitutional crisis
1994–1996 First Chechen War
1997-1998 Cyprus Missile Crisis
1997 Albanian civil war of 1997
1998–1999 Kosovo War
1998–present Dissident Irish Republican campaign
1999–2009 Second Chechen War
1999–2001 Insurgency in the Preševo Valley
21st century
2001 Insurgency in the Republic of Macedonia
2004–2013 Unrest in Kosovo
2004 unrest in Kosovo
2008 unrest in Kosovo
2011–2013 North Kosovo crisis
2008 Russia–Georgia war
2009–present Insurgency in the North Caucasus
2013–2014 Euromaidan and pro-Russian unrest in Ukraine
2014 Crimean crisis
2014–present War in Donbass
2015-present Wave of Terror in Europe