In what year was 'Mean Streets' released?

Who directed 'Gangs of New York' (2002)? Who directed 'The Aviator' (2004)? Who directed 'Shutter Island' (2010)? Who directed 'Mean Streets' (1973)? In what year was 'Rocky' released? In what year was 'The Empire Strikes Back' released? Who directed 'Return of the Jedi' (1983)? In what year was 'Return of the Jedi' released?