Siege of Syracuse
... that during the Siege of Syracuse by the Aghlabids in 877–878, the Byzantine navy failed to aid the city on time, as it was employed in the construction of the Nea Ekklesia church?
... that during the <b id="mwATc"><a href="./Siege_of_Syracuse_(877–878)" id="mwATg" rel="mw:WikiLink" title="Siege of Syracuse (877–878)">Siege of Syracuse</a></b> by the <a href="./Aghlabids" id="mwATk" rel="mw:WikiLink" title="Aghlabids">Aghlabids</a> in 877–878, the <a href="./Byzantine_navy" id="mwATo" rel="mw:WikiLink" title="Byzantine navy">Byzantine navy</a> failed to aid the city on time, as it was employed in the construction of the <a href="./Nea_Ekklesia" id="mwATs" rel="mw:WikiLink" title="Nea Ekklesia">Nea Ekklesia</a> church?