This seems to be the custom in the poorer quarters in Greece and serbia.
"My Diary in Serbia: April 1, 1915-Nov. 1, 1915"
Monica M. Stanley
I have just finished packing for serbia.
"My Diary in Serbia: April 1, 1915-Nov. 1, 1915"
Monica M. Stanley
The custom in serbia is, when a death occurs, they put out a black flag for six days or more, and it was sad to see two or three dozen flags all along the town.
"My Diary in Serbia: April 1, 1915-Nov. 1, 1915"
Monica M. Stanley