Category:20th-century history of the British Army

• 20th-century British Army personnel‎ (12 C, 1,007 P)

B

• British Army in the Falklands War‎ (1 C, 13 P)

I

• British Army in the Irish War of Independence‎ (1 C, 13 P)

K

• Kitchener's Army‎ (3 C, 140 P)

O

• British Army in Operation Banner‎ (3 C, 61 P, 1 F)

S

• Special Reserve‎ (47 P)

T

• Training Reserve‎ (71 P)

W

• British Army in World War I‎ (2 C, 18 P)
• British Army in World War II‎ (2 C, 21 P)

0–9

• 6th Airborne Division in Palestine

A

• Army Council (1904)
• Army Manoeuvres of 1912
• Army Manoeuvres of 1913
• Attack on the United States embassy in Addis Ababa

B

• Bachelor's Walk massacre
• Batang Kali massacre
• Battle of George Square
• Outline of the British Army at the end of the Cold War

C

• Clockwork Orange (plot)
• 1992 Coalisland riots
• Curragh incident

D

• List of divisions of the British Territorial Force 1914–1918

F

• Foreign and Commonwealth Office Migrated Archives

G

• GLADIATOR (British late Cold War tank project)

H

• Haldane Reforms
• History of the Irish Guards
• History of the Scots Guards (1946–present)
• Home Service Force

I

• Independent company (military)
• Iranian Embassy siege

J

• 1987 Rheindahlen bombing

L

• List of British Regular Army regiments (1962)
• List of units of the British Army Territorial Force (1908)
• Llanelli riots of 1911

M

• M62 coach bombing
• Malleson mission
• McLeod Reorganisation of Army Logistics
• Black Week

O

• Osnabrück mortar attack

R

• Esher Report
• Reserve Forces Act 1937
• Royal Wessex Regiment

S

• The Sergeants affair
• Shivering Sands Army Fort
• 1919 Southampton mutiny

T

• Territorial and Reserve Forces Act 1907
• Territorial Army and Militia Act 1921
• Timeline of the British Army 1900–1999