Created under the administrative reorganization reforms by the government of Włodzimierz Cimoszewicz in 1996 and implemented in the following year, the Chancellery assumed many responsibilities of the previous Office of the Council of Ministers (Urząd Rady Ministrów).

During the 1926 May Coup, the Infantry Academy supported the government of President Stanisław Wojciechowski and Prime Minister Wincenty Witos against Marshal Józef Piłsudski.

[5] As a consequence, the victorious Piłsudski-influenced government forced the Infantry Academy to vacate the building's premises, beginning a two-year period of refurbishing the structure.

[5] After the war's conclusion, the ushering in of the communist era brought extensive reconstruction, floor and room additions to the Cadet Corps building, lasting until 1948.

[5] The building served as the host to the historic Round Table Talks in 1989, signaling both an end to communist dominance in Poland and the fall of communism throughout the Eastern Bloc.