The establishment of the Autonomous Albanian Republic of Korçë was done on December 10, 1916 by French authorities with a protocol, according to which an autonomous province would be established on the territories of Korçë, Bilishti, Kolonja, Opar and Gora in eastern Albania.
In 1934, Salomon Salit, a Jewish PhD student in agrarian economics at the University of Warsaw, published a dissertation about Kolonja Izaaka.