Church of St. Mary of Blachernae
... that the relics housed within the chapel near the Church of St. Mary of Blachernae in Istanbul were credited by the Byzantines for victories against the Avars, Arabs, and Rus?
... that the <a href="./Relic" id="mwDRE" rel="mw:WikiLink" title="Relic">relics</a> housed within the chapel near the <b id="mwDRI"><a class="mw-redirect" href="./Church_of_St._Mary_of_Blachernae_(Istanbul)" id="mwDRM" rel="mw:WikiLink" title="Church of St. Mary of Blachernae (Istanbul)">Church of St. Mary of Blachernae</a></b> in <a href="./Istanbul" id="mwDRQ" rel="mw:WikiLink" title="Istanbul">Istanbul</a> were credited by the <a class="mw-disambig" href="./Byzantines" id="mwDRU" rel="mw:WikiLink" title="Byzantines">Byzantines</a> for victories against the <a class="mw-disambig" href="./Eurasian_Avars" id="mwDRY" rel="mw:WikiLink" title="Eurasian Avars">Avars</a>, <a href="./Arabs" id="mwDRc" rel="mw:WikiLink" title="Arabs">Arabs</a>, and <a class="mw-redirect" href="./Rus_(people)" id="mwDRg" rel="mw:WikiLink" title="Rus (people)">Rus</a>?