Category:Fortification lines

C

• Cold War fortifications (8 C, 6 P)

F

• Fortifications of Switzerland built in the 20th century (2 C, 4 P)
• Fortified regions of the Soviet Union (7 P)

H

• Hadrian's Wall (3 C, 25 P)
• Historic defensive lines (3 C, 13 P)

S

• Sasanian defense lines (6 P)
• Saxon Shore (1 C, 4 P)
• Séré de Rivières system (72 P)

W

• World War I defensive lines (2 C, 4 P)
• World War II defensive lines (8 C, 62 P)

• Defense line

A

• Atsukashiyama Barrier

B

• Berm
• Braefoot Battery
• Fort de Bron
• Buzi (fortification)

C

• Fort de Caluire
• Corradino Lines
• Cottonera Lines

D

• Danevirke
• Fort Decaen
• Downing Point Battery
• Fort Duchère
• Dutch Waterline

F

• Floriana Lines
• Fort de Montessuy
• Forts of Metz

G

• Gawri Wall
• Great Wall of China
• Great Wall of Gorgan

H

• Hadrian's Wall
• Hexamilion wall
• Howlett Line

I

• IJssel Line
• Iraq–Saudi Arabia border

K

• K5 Plan
• Kelasuri Wall
• Königsberg fortifications

L

• Limes Germanicus
• Lines of Contravallation of Gibraltar

M

• Madukkarai Wall
• Median Wall
• Fort Montbarey
• Murus Dacicus
• Murus gallicus

O

• Offa's Dyke
• Outer London Defence Ring

Q

• Quadrilatero
• Questel Fort

R

• Royal Military Canal
• Russia–Ukraine barrier

S

• Saddam Line
• Fort Saint-Jean (Lyon)
• Santa Margherita Lines
• Saxon Shore
• Serpent's Wall
• Siege of Humaitá
• Lines of Stollhofen
• Walls of Ston
• Strata Diocletiana

T

• Lines of Torres Vedras

V

• Victoria Lines

W

• Wat's Dyke
• Lines of Weissenburg
• Western Russian fortresses

Z

• Zanja de Alsina
• Great Zasechnaya cherta