Orders of Battle - First Army

World War I Army-level Orbat

This material was extracted with permission from Michael Iavarone's site Trenches on the Web www.worldwar1.com Readers interested in the Great War will learn much by visiting this site.

The numbering of armies of all major participants was systematic and orderly. Once raised, an army number was not retired during the war. The ill-fated British Gallipoli Army was an exception. Russia withdrew from the war in 1917. In all other cases, the relevant army remained in service till 1918, at least.

German Army

*Army*	*Year in service*
First Army	1914
Second Army	1914
Third Army	1914
Fourth Army	1914
Fifth Army	1914
Sixth Army	1914
Seventh Army	1914
Eighth Army	1914
Ninth Army	1914
Tenth Army	1914
Eleventh Army	1914
Twelfth Army	1917
Fourteenth Army	1917
Seventeenth Army	1918
Eighteenth Army	1918
Nineteenth Army	1918

French Army

*Army*	*Year in service*
First Army	1914
Second Army	1914
Third Army	1914
Fourth Army	1914
Fifth Army	1914
Sixth Army	1914
Seventh Army	1914
Eighth Army	1914
Ninth Army	1914
Tenth Army	1914

British Army

*Army*	*Year in service*
First Army	1914
Second Army	1914
Third Army	1915
Fourth Army	1916
Fifth Army	1916
Gallipoli Army	1915 *
Salonika Army	1915
Eygpt/Palestine Army	1914

* Only in 1914

Russian Army

Russia withdrew from the war in 1917

*Army*	*Year in service*
First Army	1914
Second Army	1914
Third Army	1914
Fourth Army	1914
Fifth Army	1914
Sixth Army	1915
Seventh Army	1916
Eighth Army	1914
Ninth Army	1914
Tenth Army	1914
Eleventh Army	1914
Twelfth Army	1915

Austro-Hungarian Army

*Army*	*Year in service*
First Army	1914
Second Army	1914
Third Army	1914
Fourth Army	1914
Fifth Army	1914
Sixth Army	1914
Seventh Army	1915
Tenth Army	1916
Eleventh Army	1916

Turkish Army

*Army*	*Year in service*
First Army	1914
Second Army	1914
Third Army	1914
Fourth Army	1914
Fifth Army	1915
Sixth Army	1915
Seventh Army	1917
Eighth Army	1918
Ninth Army	1918

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