Ottoman Interregnum
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Civil war broke out among the sons of Sultan Bayezid I upon his death in 1403.
Chronology
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January 1412: Suleyman was executed in Edirne. Mûsa became the ruler of the Ottoman dominions in Thrace.
April 1404: Isa was the son of Bayezid I, who ruled the Ottoman Empire until his defeat by Timur in 1402. Süleyman was Bayezid's son and successor. After Isa's death, Süleyman invaded Anatolia and captured Bursa in March 1404, solidifying his control over the territory.
March 1403: İsa Çelebi established himself as an independent ruler at Bursa.
March 1403: Civil war broke out among the sons of Sultan Bayezid I upon his death in 1403. His oldest son, Süleyman, with his capital at Edirne, ruled the recently conquered Bulgaria, all of Thrace, Macedonia and northern Greece.
March 1403: Muhammad formed a kingdom at Amasya.
March 1403: War broke out between Muhammad and İsa, and following the battles of Ermeni-beli and Ulubad (March-May 1403), Isa fled to Constantinople and Muhammad occupied Bursa.
January 1405: Ankara conquered by Süleimain's Reign.
January 1412: In 1411 Süleimain's army defected to Mûsa at Edirne and Suleyman was executed on the orders of Mûsa. Mûsa was now the ruler of the Ottoman dominions in Thrace.
July 1413: The armies of the rival Ottoman brothers met on the plain of Chamurli. Mûsa's Ottomans fought well, but the battle was won by Muhammad and his allies. Mûsa fled, was later captured and strangled. With Mûsa dead, Muhammad was the sole surviving son of the late Sultan Bayezid I and became Sultan Muhammad I.
