Old Defence Lines

Circumvallatielinie van Groenlo

• Frisian Water Line
  Frisian Water Line
  The building of the Friese Waterlinie started around 1580. The traject of the defenceline starts at the Zuidersea, along the river Linde until the De Blessebridge...
  
   (  Friese Waterlinie) Groningse Waterlinie Helperlinie Linie Bergen op Zoom - Steenbergen Linie van Beverwijk Linie van de Eems Linie van de Eendracht Linie van Noord-Holland Oostfrontier
• Old Dutch Water Line
  Dutch Water Line
  The Dutch Water Line was a series of water based defences conceived by Maurice of Nassau in the early 17th century, and realised by his half brother Frederick Henry...
  
   (  Oude Hollandse Waterlinie) Positie van 's-Hertogenbosch Posten van Krayenhoff Staats - Spaanse Linies Stelling West Noord-Brabant Zijper Stelling Zuider Frontier

Fortification Law 1874

The Vestingwet (eng: Fortification Law) or Wet tot regeling en voltooiing van het vestingstelsel (eng: Law to regulate and complete the fortification) was signed on 18 April 1874. The law dealt with the defence of the Netherlands against enemy attacks.

The main principle was defence by flooding where as the army of the Netherlands would withdraw to the area around Amsterdam

Amsterdam

Amsterdam is the largest city and the capital of the Netherlands. The current position of Amsterdam as capital city of the Kingdom of the Netherlands is governed by the constitution of August 24, 1815 and its successors. Amsterdam has a population of 783,364 within city limits, an urban population...

. After the Franco-Prussian War

Franco-Prussian War

The Franco-Prussian War or Franco-German War, often referred to in France as the 1870 War was a conflict between the Second French Empire and the Kingdom of Prussia. Prussia was aided by the North German Confederation, of which it was a member, and the South German states of Baden, Württemberg and...

 (1870-1871) it became clear that a new defence plan was needed. The law was made by the Minister of War August Weitzel under King Willem III. The Law became disfuntional at 28 March 1938.

• Grebbe Line
  Grebbe line
  thumb|right|230px|GrebbelinieThe Grebbe Line was a forward defence line of the Dutch Water Line, based on inundation. The Grebbe Line ran from the Grebbeberg in Rhenen northwards until the IJsselmeer....
  
   (  Grebbelinie) IJssellinie
• New Dutch Water Line
  Dutch Water Line
  The Dutch Water Line was a series of water based defences conceived by Maurice of Nassau in the early 17th century, and realised by his half brother Frederick Henry...
  
   (  Nieuwe Hollandse Waterlinie)
• Defence Line of Amsterdam
  Stelling van Amsterdam
  The UNESCO World Heritage Site known as the Defence Line of Amsterdam is a 135 km long ring of fortifications around Amsterdam, consisting of 42 forts located between 10 to 15 kilometers the centre, and lowlands that can easily be flooded in time of war...
  
   (  Stelling van Amsterdam) Stelling van Den Helder Stelling van het Hollandsch Diep en het Volkerak Stelling van de monden der Maas en van het Haringvliet Werken aan de Westerschelde Zuiderwaterlinie

Interbellum (1918 - 1940)

Bath & Zanddijk Stellingen Geullinie

• Grebbe Line
  Grebbe line
  thumb|right|230px|GrebbelinieThe Grebbe Line was a forward defence line of the Dutch Water Line, based on inundation. The Grebbe Line ran from the Grebbeberg in Rhenen northwards until the IJsselmeer....
  
   (  Grebbelinie) IJssellinie Kazematten Afsluitdijk Maaslinie Linge - Waallinie Oranjestelling
• Peel-Raam Line
  Peel-Raam Line
  thumb|right|230px|Peel-Raam LineThe Peel-Raam Line was a Dutch defence line built in 1939 and attacked and conquered on 10 May 1940 by the German forces....
  
   (  Peel-Raamstelling) Waal-Maaslinie Weerstandslinies Noord-Oost Nederland

World War II (1939 - 1945)

During the occupation of the Netherlands the Germans made fortifications to prohibit the Alies to libarated the Netherlands and to protect their V2 rocket platforms in the Netherlands. The Germans build new defence lines like the Atlantic Wall

Atlantic Wall

The Atlantic Wall was an extensive system of coastal fortifications built by Nazi Germany between 1942 and 1944 along the western coast of Europe as a defense against an anticipated Allied invasion of the mainland continent from Great Britain.-History:On March 23, 1942 Führer Directive Number 40...

 but also reused the Dutch defence line like the Grebbe line

Grebbe line

thumb|right|230px|GrebbelinieThe Grebbe Line was a forward defence line of the Dutch Water Line, based on inundation. The Grebbe Line ran from the Grebbeberg in Rhenen northwards until the IJsselmeer....

.
Assenerstellung / Frieslandriegel

• Atlantic Wall
  Atlantic Wall
  The Atlantic Wall was an extensive system of coastal fortifications built by Nazi Germany between 1942 and 1944 along the western coast of Europe as a defense against an anticipated Allied invasion of the mainland continent from Great Britain.-History:On March 23, 1942 Führer Directive Number 40...
  
   (  Atlantikwall) Brabantstellung Vordere Wasserstellung Hintere Wasserstellung
• Panther Line (  Pantherstellung) IJsselstellung