First Army | |
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![]() 1st Army formation badge, Second World War | |
Active | First World War 1914–1918 Second World War 1942–1943 |
Country | ![]() |
Branch | ![]() |
Type | Army |
Size | Field army |
Engagements | First World War Western Front Second World War Operation Torch Tunisia Campaign |
Commanders | |
Notable commanders | Sir Douglas Haig Sir Henry Rawlinson Sir Kenneth Anderson |
The First Army was a formation of the British Army that existed during the First and Second World Wars. The First Army included Indian and Portuguese forces during the First World War and American and French units during the Second World War.