Infantry battalion
An infantry battalion was the basic unit of infantry in most countries. A battalion included about 1,000 soldiers, and was further split into companies.
Template:RefTLLT gives more details of the composition of British battalions.
Category:Infantry battalions lists all the sub-categories for infantry battalions, which in turn list all infantry battalion pages that exist on this site.
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[hide]British Empire
The same tactical organisation was used throughout the British Empire: three or four battalions were grouped into an infantry brigade, and three brigades were grouped into an infantry division.
The administrative organisation of infantry varied from country to country.
For infantry battalions from countries of the British Empire not listed below, see Category:British colonial infantry battalions and British units in World War I#Colonial units.
United Kingdom
Before the First World War, British Army battalions had eight small companies. The Regular Army merged these into four large companies of about 250 men each before the outbreak of war. The Territorial Force still had the old eight-company system in August 1914 but switched to the four-company system by early 1915.
The British Army grouped infantry battalions into regiments for administrative purposes. The battalions of a regiment didn't all operate together: they could be in different brigades, divisions and theatres of war. Some battalions of each regiment stayed at home to train new recruits, who were sent out to other battalions when they were ready. Several regiments were grouped together under each record office, which kept their personnel files.
For more about the difference between administrative and tactical relationships, see British Army Hierarchies.
Most British infantry battalions belonged to the British Army, but some were part of the Royal Marines or Royal Navy.
- Category:British infantry battalions lists every British infantry battalion that has a page on this site, including the Army, Navy and Marines. Pages are sorted by regiment name and then battalion number.
- Category:British Army infantry battalions by regimental precedence includes only battalions of the Army, sorted by the precedence of the regiment, then battalion number.
- Category:Royal Marine infantry battalions includes only battalions that were part of the Royal Marines.
- Category:Royal Naval infantry battalions includes only battalions that were part of the Royal Navy. These formed part of 63rd (Royal Naval) Division, UK.
Australia
The infantry of the Australian Imperial Force were not grouped into regiments. Most battalions had a number from 1st to 62nd, although there was a different sequence of numbers for training battalions. All units were under one record office that kept personnel files for the whole AIF.
The infantry of the Citizen Military Force, also known as the militia were organised into single-battalion regiments.
- Category:Australian infantry battalions lists all Australian infantry battalions that have a page on this site.
- Category:Australian Imperial Force infantry battalions lists only AIF battalions, not militia.
Canada
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India
The infantry of the Indian Army were organised in regiments which had names and numbers. Some regiments had only a single battalion but other regiments had several battalions. Regiments were grouped together for administrative purposes but we don't yet have enough information about the Indian administrative system.
- Category:Indian infantry battalions lists every Indian infantry battalion that has a page on this site, including the Indian Army and the Imperial Service Troops from the princely states. Pages are sorted by regiment name then by battalion number.
- Category:Indian Army infantry battalions by regiment number lists only battalions of the Indian Army, sorted by regiment number then battalion number.
- Category:Indian Imperial Service infantry battalions lists only battalions that were loaned to the British Empire by the rulers of the princely states of the British Raj.
New Zealand
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South Africa
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Continental system
The continental system, used by the US, French and German armies among others, was very different from the organisation of British Empire forces. The administrative and tactical hierarchies were unified, and the division was the main unit of both. An infantry division typically had two brigades, each with two regiments, each with three battalions. These regiments were administrative and tactical, and their battalions usually operated together. The battalions were similar to British battalions.
