Here is a list of conflicts in Europe during the 1990s:
1990–1991 Soviet attacks on Lithuanian border posts
1991 January Events
1991 The Barricades
1991 Ten-Day War (Slovenia)
1991–1992 Georgian war against Russo-Ossetian alliance
1991–1993 Georgian Civil War
1991–1995 Croatian War of Independence
1992 Transnistria War
1992 East Prigorodny Conflict
1992–1993 First Georgian war against Russo-Abkhazian alliance
1992–1995 Bosnian War
1993 Cherbourg incident
1993 Russian constitutional crisis
1994–1996 First Chechen War
1995–1996 Imia/Kardak military crisis
1997–1998 Cyprus Missile Crisis
1997 Albanian civil war of 1997
1998–1999 Kosovo War
1998–present Dissident Irish Republican campaign
1998 Second Georgian war against Russian-Abkhazian alliance
1999 War of Dagestan
1999–2009 Second Chechen War
1999–2001 Insurgency in the Preševo Valley
Hope this helps! :)
