second half of the 9th c.: [according to another view, late 11th-early 12th c.]: Building of the monument
first half of the 15th c.: convertion of the area bfore the south entrance into a funerary chapel. Frescoes of the Archangel Michael and of Sts Kosmas and Damianos on the south facade of the church
mid-15th c.: the chapel is destroyed
αρχές 16ου αι.: convertion of the church to a mosque
1729: damages caused by a fire
1894: damages caused by an earthquake
1922: refurbishing of the monument