InAugust1915theRussianforceswhichhadheldPolandformanyyearswithdrewfromWarsaw.GermanyandAustria-HungarytookcontrolofmostofthecountryandtheUniversityofWarsawwasrefoundedanditbeganoperatingasaPolishuniversity.
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In August 1915 the Russian forces which had held Poland for many years withdrew from Warsaw. Germany and Austria-Hungary took control of most of the country and the University of Warsaw was refounded and it began operating as a Polish university.