Simplify the following text for a Grade 9 native English-speaking person.
Original: The Royal University of Warsaw was established in 1816 , when the partitions of Poland separated Warsaw from the oldest and most influential Polish academic center , in KrakÃ w. The first to be established in Congress Poland were the Law School and the Medical School .
Simplified: The Royal University of Warsaw is established in 1816 , when the parts of Poland were separated in Warsaw , from the academic ( i.e. associated with higher education ) center of Cracow more ancient and influential . The School of Law and the School of Medicine had been established first time in the Duchy of Warsaw .