Original sentence: On October 8 the Army of the Republic of Serbian Krajina entered Jasenovac.The Memorial Museum was devastated in this period, and all museum's documentary and archival material were taken and secretly transferred to Bosnia and Herzegovina
Edited sentence: On September 25, Jasenovac was attacked, and on October 8 the army of the Republic of Serbian Krajina entered to Jasenovac.The Memorial Museum during the Serbian occupation was devastated, and all museum,  documentary, and archival material was taken and secretly transferred to Bosnia and Herzegovina