 Complete the following phrase:  Maciej Kalenkiewicz was born July 1, 1906, in a small manor in Pacewicze, to Jan Kalenkiewicz, an impoverished member of the Polish gentry and a peasant politician, and Helena née Zawadzka. He graduated from a gymnasium in Vilna modern Vilnius and then the Cadet Corps in Modlin. In 1924 he was admitted to the Officer Engineering School in Warsaw, where he took part in the 