The 19th of June 1990 :The Schengen Implementing Convention has been signed by :

- Germany

- Belgium

- France

- Luxembourg

- Netherlands

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- Italy

The 27th of November 1990 :Adhesion to the Schengen Implementing Convention of :

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- Spain

- Portugal

The 25th of June 1991 :Adhesion to the Schengen Implementing Convention of :

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- Greece

The 6th of November 1992 :Adhesion to the Schengen Implementing Convention of :

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The 30th of November 1994 :Technical connection of :

- Germany

- Belgium

- France

- Luxembourg

- Netherlands

- Spain

- Portugal

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The 25th of March 1995 :Opening of the systemto the end-users for :

- Germany

- Belgium

- France

- Luxembourg

- Netherlands

- Spain

- Portugal

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The 25th of March 1995 :Lifting of internal borders controls for :

- Germany

- Belgium

- France

- Luxembourg

- Netherlands

- Spain

- Portugal

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- Austria

The 28th of April 1995 :Adhesion to the Schengen Implementing Convention of :

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- the Nordic countries :

. Denmark

. Finland

. Iceland

. Norway

. Sweden

The 19th of December 1996 :Adhesion to the SchengenImplementing Convention of :

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The 1st of July 1997 :Technical connection of :

- Italy

- Greece

- Austria

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The 1st of July 1997 :Opening of the systemto the end-users for :

- Italy

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The 26th of October 1997 :Lifting of internalborders controls for :

- Italy

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The 1st of December 1997 :Opening of the systemto the end-users for :

- Greece

- Austria

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The 1st of December 1997 :Lifting of internalborders controls for :

- Austria

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The 1st of January 2000 :Lifting of internalborders controls for :

- Greece

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- Great Britain

The 29th of May 2000Taking effect the 1st of June 2000Adhesion to the Schengen Implementing Convention of :

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The 15th of December 2000 :Technical connection of :

- the Nordic countries :

. Denmark

. Finland

. Iceland

. Norway

. Sweden

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The 1st of January 2001 :Opening of the systemto the end-users for :

- the Nordic countries :

. Denmark

. Finland

. Iceland

. Norway

. Sweden

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The 25th of March 2001 :Lifting of internalborders controls for :

- the Nordic countries :

. Denmark

. Finland

. Iceland

. Norway

. Sweden

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- Ireland

The 28th of February 2002Taking effect the 1st of April 2002Adhesion to the Schengen Implementing Convention of :

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- Cyprus- Estonia- Hungary- Latvia- Lithuania- Malta- Poland- Slovakia- Slovenia- Czech Rep.

The 1st of May 200410 last acceding countries :

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The 5th of September 2005Adhesion of :

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- Switzerland

from 16th of June till 31st of August 2007Technical connection of :

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- Estonia- Hungary- Latvia- Lithuania- Malta- Poland- Slovakia- Slovenia- Czech Rep.

1st of September 2007Opening of the systemto the end-users for :

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- Estonia- Hungary- Latvia- Lithuania- Malta- Poland- Slovakia- Slovenia- Czech Rep.

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-Europol

-Eurojust

12th December 2007Opening of the system(queries only) for :

21st December 2007 :Lifting of internalborders controls for :

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- Estonia- Hungary- Latvia- Lithuania- Malta- Poland- Slovakia- Slovenia- Czech Rep.

30th March 2008 :Schengen implementation in the airports for :

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- Estonia- Hungary- Latvia- Lithuania- Malta- Poland- Slovakia- Slovenia- Czech Rep.

9th June 2008Technical connection of :

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- Switzerland

14th August 2008Opening of the systemto the end-users for :

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- Switzerland

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- Switzerland

21st December 2008 :Lifting of internalborders controls for :

March 2009 :Schengen implementation in the airports for :

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- Switzerland