Question: Liborius Ritter von Frank fought in which battle between Austria Hungary and Serbia which commenced on November 16, 1914?
Sentence (from "Battle of Kolubara"): It commenced on 16 November, when the Austro-Hungarians under the command of Oskar Potiorek reached the Kolubara River during their third invasion of Serbia that year, having captured the strategic town of Valjevo and forced the Serbian Army to undertake a series of retreats.
Relevant evidence: Yes