Fourth Army (Ottoman Empire)

Fourth Army
Djemal Pasha and Fuad Bey (April 1917)
Active	?-? 7 September 1914 – 26 September 1918
Country	Ottoman Empire
Type	Field Army
Garrison/HQ	Baghdad, Damascus
Patron	Sultans of the Ottoman Empire
Engagements	Sinai and Palestine Campaign (World War I)
Commanders
Notable commanders	Zeki Pasha (September – 18 November 1914) Djemal Pasha (18 November 1914 – September 1917) Mersinli Djemal Pasha (September 1917 – October 1918)

The Fourth Army of the Ottoman Empire (Turkish: Dördüncü Ordu) was one of the field armies of the Ottoman Army. It was formed in the middle nineteenth century, during Ottoman military reforms.

In 1877, it was stationed in Anatolia. It was composed of:

After the Young Turk Revolution and the establishment of the Second Constitutional Era on 3 July 1908, the new government initiated a major military reform. Army headquarters were modernized. The Fourth Army's new operational area was Caucasia and its many troops were scattered along the frontier to keep an eye on the Russian Empire. It commanded the following active divisions and other units:

The Fourth Army also had inspectorate functions for four Redif (reserve) divisions:

With further reorganizations of the Ottoman Army, to include the creation of corps level headquarters, by 1911 the Army's headquarters were Baghdad. Before the First Balkan War in 1911, the Army was structured as:

In November 1914, the army was structured as:

In April 1915, the army was structured as:

In Late Summer 1915, January 1916, the army was structured as:

Between August and December 1916, the army was structured as:

In August 1917, the army was structured as:

On 26 September the Fourth Army headquarters moved to Damascus, dividing its area of responsibility in half, leaving Cemal Pasha answerable for Syria and western Arabia.

Between January and June 1918, the army was structured as follows:

In September 1918, the army was structured as:

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