Turkish refugees in Istanbul's <a href="https://en.wikipedia.org/wiki/Hagia_Sophia" class="extiw" title="w:Hagia Sophia">Hagia Sophia</a> mosque during the <a href="https://en.wikipedia.org/wiki/Russo-Turkish_War_(1877%E2%80%931878)" class="extiw" title="w:Russo-Turkish War (1877–1878)">1877–1878 Russo-Turkish War</a>.
<div class="fn value">
M. Tancoigny</div>
circa 1878 <div style="display: none;">date QS:P571,+1878-00-00T00:00:00Z/9,P1480,Q5727902</div>.
Scanned from a book called <i>Constantinople</i> (1996) (no other information provided about this by uploader), and originally uploaded to <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a> by <a href="https://en.wikipedia.org/wiki/User:Tommiks" class="extiw" title="w:User:Tommiks">Tommiks</a> on 11 November 2005.