Category:Fortifications by century

0–9

• 1st-century BC fortifications‎ (4 P)
• 1st-century fortifications‎ (5 P)
• 2nd-century fortifications‎ (1 C, 9 P)
• 3rd-century fortifications‎ (5 P)
• 4th-century fortifications‎ (8 P)
• 5th-century fortifications‎ (6 P)
• 6th-century fortifications‎ (5 P)
• 7th-century fortifications‎ (4 P)
• 8th-century fortifications‎ (6 P)
• 9th-century fortifications‎ (8 P)
• 10th-century fortifications‎ (15 P)
• 11th-century fortifications‎ (1 C, 29 P)
• 12th-century fortifications‎ (1 C, 25 P)
• 13th-century fortifications‎ (3 C, 29 P)
• 14th-century fortifications‎ (2 C, 21 P)
• 15th-century fortifications‎ (3 C, 26 P)
• 16th-century fortifications‎ (4 C, 48 P)
• 17th-century fortifications‎ (6 C, 46 P)
• 18th-century fortifications‎ (5 C, 120 P)
• 19th-century fortifications‎ (11 C, 50 P)
• 20th-century fortifications‎ (8 C, 20 P)
• 21st-century fortifications‎ (5 P)