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Bey Osman's Siege of the Bursa Region (1307)

Type Event Region Asia Minor Time 1307–1310

Around 1307 CE, Bey Osman launched sustained sieges and raids against Byzantine-held Bursa and its surrounding fortresses in Bithynia, marking a shif…

Timeline

  1. 1307fortresses around Bursa · BithyniaBey Osman led his forces in raids against Byzantine strongholds on the Bithynian frontier, cutting Bursa's supply lines to the interior and by sea, creating conditions for a prolonged siege.
  2. 1308–1310city of Bursa · BithyniaOttoman forces maintained a continuous siege of Bursa; Byzantine reinforcements sent from Constantinople were repeatedly intercepted, forcing the garrison to rely on limited maritime supplies as pressure on the defenses mounted.

Sources