Guantanamo Bay Naval Base Events (3) October 28, 2002: First Detainees Released From Guantanamo Bay 2002-10-28 April 24, 2011: Assessment Files of Most Guantanamo Prisoners Are Released; Data Is Often Based on Dubious Sources 2011-04-24 (Late 2004): Detainee Disputes Allegations at Guantanamo Tribunal Hearing