<sod>The '''Church of the Holy Apostles''' ({{lang-el|{{lang|grc|Ἅγιοι Ἀπόστολοι}}}}, ''Agioi Apostoloi''; {{lang-tr|Havariyyun Kilisesi}}), also known as the ''Imperial Polyándreion'' (imperial cemetery), was an [[Eastern Orthodox]] church in [[Constantinople]], capital of the [[Eastern Roman Empire]]. The first structure dates to the 4th century, though future emperors would add to and improve on the space.<ref name=kra>Krautheimer (1992)</ref> It was second in size and importance only to the [[Hagia Sophia]] among the great churches of the capital. When [[Fall of Constantinople|Constantinople fell]] to the [[Ottoman Empire|Ottomans]] in 1453, the Holy Apostles briefly became the seat of the [[Ecumenical Patriarch]] of the [[Eastern Orthodox Church|Greek Orthodox Church]]. Three years later the edifice, which was in a dilapidated state, was abandoned by the Patriarch, and in 1461 it was demolished by the Ottomans to make way for the [[Fatih Mosque (Istanbul)|Fatih Mosque]].<ref name=mw406>Müller-Wiener (1977) p. 406</ref><eod>
<sod>The '''Church of the Holy Apostles''' ({{lang-el|{{lang|grc|Ἅγιοι Ἀπόστολοι}}}}, ''Agioi Apostoloi''; {{lang-tr|Havariyyun Kilisesi}}), also known as the ''Imperial Polyándreion'' (imperial cemetery), was a Greek [[Eastern Orthodox]] church in [[Constantinople]], capital of the [[Eastern Roman Empire]]. The first structure dates to the 4th century, though future emperors would add to and improve on the space.<ref name=kra>Krautheimer (1992)</ref> It was second in size and importance only to the [[Hagia Sophia]] among the great churches of the capital. When [[Fall of Constantinople|Constantinople fell]] to the [[Ottoman Empire|Ottomans]] in 1453, the Holy Apostles briefly became the seat of the [[Ecumenical Patriarch]] of the [[Eastern Orthodox Church|Greek Orthodox Church]]. Three years later the edifice, which was in a dilapidated state, was abandoned by the Patriarch, and in 1461 it was demolished by the Ottomans to make way for the [[Fatih Mosque (Istanbul)|Fatih Mosque]].<ref name=mw406>Müller-Wiener (1977) p. 406</ref><eod>