formally crowned
... that the last Byzantine emperor, Constantine XI Palaiologos, was never formally crowned?
... that the last <a href="./List_of_Byzantine_emperors" id="mwAU8" rel="mw:WikiLink" title="List of Byzantine emperors">Byzantine emperor</a>, <a href="./Constantine_XI_Palaiologos" id="mwAVA" rel="mw:WikiLink" title="Constantine XI Palaiologos">Constantine XI Palaiologos</a>, was never <b id="mwAVE"><a href="./Coronation_of_the_Byzantine_emperor" id="mwAVI" rel="mw:WikiLink" title="Coronation of the Byzantine emperor">formally crowned</a></b>?