Rubuta ci gaba don wannan sakin layi - "Ulu Camii" ko "Babban Masallaci" shi ne masallaci mafi girma a Bursa, babban birnin farko na Daular Ottoman, kuma alama ce ta gine-ginen Ottoman na farko kamar yadda ya samo asali daga gine-ginen Seljuk na Turkiyya. An ba da umarnin Sultan Bayezid I, masallacin an tsara shi kuma an gina shi ta hanyar gine-ginen Ali Neccar a cikin 1396 <unk> 1399. Bayezid I shine mai mulki na huɗu na daular Ottoman. Ba da daɗewa ba bayan gina wannan masallacin ya sha wahala daya daga cikin mafi munin nasarorin da daular ta yi a hannun Timur (Tamerlane) a yakin Ankara
a shekara ta 1402. Hadisin ya ce Timur ya ci gaba da kona masallacin a wannan shekarar kuma sarkin Qaramanid Mehmed Bey ya sake yin hakan yayin kewaye da birnin a 1412. Ko da mene ne ya faru, an soma gyara masallacin ne a shekara ta 1493. Masallacin ya sake sabuntawa a cikin tarihinsa. Bayan wata mummunar girgizar kasa a shekara ta 1855 wanda ya sa rufin ya rushe, an rufe masallacin na tsawon shekaru. An kammala gyare-gyare a shekara ta 1889.