Since today is the 160th anniversary of the unification of Italy here's Oliosi flag: you can find more about its history in the comments
from /r/vexillology Top comment: 24th of June 1866, during the [battle of Custoza](https://en.wikipedia.org/wiki/Battle_of_Custoza_(1866)), a group of 36 italian soldiers and officers defended a farm from the Austrian army for the whole morning, but, since the enemy set fire to it, they were forced to surrender. However, to prevent their flag from falling into enemy hands, they torn it into 13 pieces and they hid them in their clothes, hoping to put it back together after imprisonment. Here are the pieces that the few survivors of the Austrian prison camps reassembled













