890s in the Byzantine Empire

Byzantine Emperor

896 conflict between the Byzantine and First Bulgarian empires

war fought between the Bulgarian Empire and the Byzantine Empire as a result of the decision of the Byzantine emperor Leo VI to move the Bulgarian market from Constantinople to Thessaloniki

The '''Klētorologion of Philotheos' () is the longest and most important of the Byzantine lists of offices and court precedence (Taktika). It was published in September 899 during the reign of Emperor Leo VI the Wise (r. 886–912) by the otherwise unknown prōtospatharios and atriklinēs Philotheos. As atriklinēs, Philotheos would have been responsible for receiving the guests for the imperial banquets (klētοria) and for conducting them to their proper seating places according to their place in the imperial hierarchy. In the preface to his work, he explicitly states that he compiled this treatise