Fourth austro-Turkish war

The Fourth austro-Turkish war was held 1736 with 1739 and opposed the Austria allied to the Russia with the Ottoman Empire.

Causes of the war

The Russia and the Austria plan a massive onslaught in the Balkans in order to défintivement exclude the Turks from them. An agreement had been concludes between the two great powers in 1726. Russia opens the hostility by taking Azow in 1736. Azow belonged to the Khanat of the Crimea, vassal of the Door. This offensive is thus regarded as a casus belli on behalf of the Door.

Austrian offensives

The Austrians ordered by François-Etienne of Lorraine, assisted of the general Seckendorf, launch the offensive in Macedonia and seize Nis.

Othoman reaction

In 1737, the Turks launch a counter-offensive and take again Nis. In 1738, they even manage to take again Belgrade and Semendria. Vienna request peace without consulting its Russian ally. At the same time, the Russian armies crossed the Dniestr. Russia was forced to treat in its turn.

The treaty of Belgrade

Peace was negotiated thanks to the mediation of the Marquis de Villeneuve. The September 18th 1739 is signed the Traité of Belgrade between the Ottoman Empire and the Austria by which Austria yields the Western Valachie, the north of the Serbia and Belgrade. In October 1739, Munich signed the Treated of Nis by which Russia evacuated the Moldavie, the the Crimea and returned Azow. The Black Sea was prohibited with its warships.

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