Battle of Kosmidion

Battle of Kosmidion
Part of Ottoman Interregnum
Date 15 June 1410 Location Kosmidion (modern Eyüp), just outside Constantinople Result Victory for Süleyman Çelebi
Belligerents
Forces of Süleyman Çelebi Serbian Despotate	Forces of Musa Çelebi
Commanders and leaders
Süleyman Çelebi Vuk Lazarević	Musa Çelebi
Strength
unknown	unknown

The Battle of Kosmidion (Turkish: Eyüp Muharebesi), fought June 15, 1410, occurred during the Ottoman Interregnum and was fought between the forces of the brothers and princes Musa Çelebi and Süleyman Çelebi, at Kosmidion just outside the land walls of Constantinople. During the battle, some of Musa's vassals, including Vuk Lazarević (the brothers' half-uncle), deserted him and joined Süleyman. The battle ended in a victory for Süleyman Çelebi.

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