Schengen Agreement signed by five statesJun 14, 1985Labels: Schengen Agreement, Belgium, LuxembourgBritannicaEU CommissionEUR Lex
Schengen Implementing Convention sets operating rulesJun 19, 1990Labels: Implementing Convention, Schengen rules, visa policyEUR LexLuxembourgEU Parliament
Italy accedes to the Schengen ConventionNov 27, 1990Labels: Italy, Schengen ConventionEU ParliamentEU2008 si
Spain and Portugal accede to the Schengen ConventionJun 26, 1991Labels: Spain, PortugalEU ParliamentEU2008 si
Schengen rules applied and internal checks liftedMar 26, 1995Labels: Schengen Area, internal borderEU ParliamentBritannicaAustria gv
Treaty of Amsterdam signed, planning EU integrationOct 2, 1997Labels: Treaty of, European UnionEU ParliamentTreaty info
Austria joins Schengen border-free areaDec 1, 1997Labels: Austria, Schengen areaEU ParliamentAustria gv
Schengen acquis incorporated into EU lawMay 1, 1999Labels: Schengen acquis, EU lawEUR LexEurofoundEU Commission
Nordic states join Schengen border-free travelMar 25, 2001Labels: Nordic states, IcelandEU NorwayEuropeanaAustria gv
Schengen Borders Code adoptedMar 15, 2006Labels: Schengen Borders, external bordersEUR LexEU Commission
Largest expansion: nine states join at land/sea bordersDec 21, 2007Labels: 2007 enlargement, Central EuropeFinland MFAEU2008 siMPI
2007 enlargement completed at air bordersMar 30, 2008Labels: Air borders, 2007 enlargementEU2008 siLithuania MFA
Liechtenstein joins the Schengen areaDec 19, 2011Labels: Liechtenstein, microstateAustria gvSwissinfo
SIS II launches, modernizing Schengen data-sharingApr 9, 2013Labels: SIS II, data-sharingSlovenia PoliceEU Commission