This system of territorial organization, adopted shortly after independence, grew out of the wartime wilaya structure and the postwar necessity of subduing antigovernment insurgencies that were based in the various regions.
During the Second Sino-Japanese War the National Revolutionary Army eventually organized itself into twelve Military Regions.
On 24 July 1873, the French Parliament passed a law which created 18 military regions in metropolitan France.
In 1905, the strength of the Troupes coloniales stationed in the 19 military districts of metropolitan France was reported at 2,123 officers and 26,581 other ranks.
[6] In 1946, following the Second World War ten military regions were created or recreated, in accordance with a decree of 18 February 1946.
They included the 1st (Paris); 2e (Lille); 3e (Rennes); 4e (Bordeaux); 5e (Toulouse); 6e (Metz); 7e (Dijon); 8th (Lyon); the 9th (Marseille), and the 10th in Algeria.
Until 2013 the German Armed Forces (Bundeswehr) had four military districts – Wehrbereichskommando (WBK) as part of the Streitkräftebasis or Joint Service Support Command.
Now the Landeskommmandos are led by the National Territorial Command called Kommando Territoriale Aufgaben der Bundeswehr (KdoTerrAufgBw).
The system was later ratified in "Surat Perintah Siasat No.1" (No.1 Strategy Command Letter), signed in November 1948.
Each Kodam is commanded by a Major General and has full authority to commence operations with the force under his jurisdiction.
Such territorial division provided convenient management of army units, their training and other activities regarding the country's readiness to defend itself.
[13] By the end of the 1980s, immediately before the dissolution of the Soviet Union, there were sixteen military districts, within three to five main strategic Theatre groupings.
This territorial division type was historically adopted, originally by Imperial Russia, to provide a more efficient management of army units, their training and other operations activities related to combat readiness.
In 2005, the military districts were replaced to some extent by four Security and Cooperation Sections (Swedish: Säkerhets- och samverkanssektioner).
In 2013, the Security and Cooperation Sections were replaced by four Military regions (Swedish: Militärregion, MR): Northern, Central, Western and Southern.
HQ Northern Ireland remained separate and reported to Headquarters United Kingdom Land Forces only on non-operational matters.
[17] Present day US military organization is structured around Unified Combatant Commands, which encompass different geographical areas and responsibilities.
Military districts (Uzbek: Harbiy okruglar) of the Armed Forces of Uzbekistan are under the jurisdiction of the defense ministry of the republic.