Battle of Gorjani | |||||||
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Part of the Little War in Hungary and Hundred Years' Croatian–Ottoman War | |||||||
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Belligerents | |||||||
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Commanders and leaders | |||||||
Johann Katzianer Simon Erdődy Ivan Ungnad Ludwig Lodron † Pavle Bakić † |
Unknown (perhaps Semendireli Mehmed Bey) | ||||||
Strength | |||||||
~24,000 | 8,000 | ||||||
Casualties and losses | |||||||
20,000 killed |
minimal |
The Battle of Gorjani (Croatian: Bitka kod Gorjana, German: Schlacht bei Gorjani) or Battle of Diakovár (Hungarian: Diakovári csata) was a battle fought on 9 October 1537 at Gorjani, a place in Slavonia between Đakovo and Valpovo, as part of the Little War in Hungary as well as the Hundred Years' Croatian–Ottoman War.
After seven years of war and the failed Siege of Vienna in 1529, the Treaty of Konstantiniyye was signed, in which John Zápolya was recognized by the Austrians as King of Hungary as an Ottoman vassal, and the Ottomans recognized Habsburg rule over Royal Hungary.
This treaty satisfied neither John Zápolya nor Austrian Archduke Ferdinand, whose armies began to skirmish along the borders. Ferdinand decided to strike a decisive blow in 1537 at John, thereby violating the treaty.
Ferdinand sent an army of 24,000 men (from Austria, Hungary, Holy Roman Empire, Bohemia, Tyrol and Croatia) under the command of Johann Katzianer to take Osijek.