In the 14th century, during the reign of king Milutin, a canal connecting the Sazlija and the river Nerodimka was dug, creating an artificial bifurcation, since the Nerodimka flows to the south into the Lepenac river and thus belongs to the Aegean Sea drainage basin, while the Sitnica flows to the north, into the Ibar river and belongs to the Black Sea drainage basin.
During King Milutin's reign in the 14th century, a canal was dug connecting Sazlija with Nerodimka, creating an artificial separation. The Nerodimka flows south to the Lepenac river and is part of the Aegean Sea drainage area, while Sitnica flows north into the Ibar river, belonging to the Black Sea drainage system.