Home›11th century in the Byzantine Empire›Decline of the Byzantine Empire🌐EnglishEnglishEspañolFrançaisPolskiTürkçeالعربية中文EntityQ16085469· pop 9· linked from 558 articlesDecline of the Byzantine Empirethe gradual decline of the Byzantine EmpireAvailable in 9 languagesEspañolFrançais中文العربيةCatalanGreekPolskiTürkçevia Wikidata sitelinks · CC0Connectionseconomy of the Byzantine EmpireEntityAlexios I KomnenosEntityCategories11th century in the Byzantine Empire12th century in the Byzantine Empire13th century in the Byzantine Empire14th century in the Byzantine Empire15th century in the Byzantine EmpireByzantine militaryCrusadesFall of the Byzantine EmpireKomnenos dynasty