Image 1: https://commons.wikimedia.org/wiki/File:Hagia_Irene,_Istanbul_(52112279404)_(cropped).jpg
Church reconstruction ordered by Justinian I: 548
Damaged by Constantinople Earthquake: 740
Church enclosed within walls of Topkapi Palace: post-1453 (fall of Constantinople to Mehmed II) Used by Janissaries as arsenal, warehouse for military equipment, and repository for trophies of arm and military regalia taken by the Ottomans during conquest: until 1826
Converted to National Military Museum during the reign of Sultan Ahmet III: 1726
Made into military antiques museum by Ahmed Fethi Paşa, Marshal of the Imperial Arsenal: 1846
Turned over to Turkish Ministry of Culture: 1978