[1] Karol Maleczyński was born October 28, 1897, in Grębowo near Tarnobrzeg.
[2] He enrolled at the University in Lwów, but was enlisted to the Austrian Army.
[2] After demobilisation, he again enrolled at the University in Lwów, where he studied history.
[2] Maleczyński gained his PhD at the Jan Kazimierz University in Lwów in 1924.
[2][1] After the Second World War Maleczyński worked at the University of Wrocław.