In what year did 'The Dukes of Hazzard' premiere?

On which network did 'Dallas' originally air? In what year did 'Dallas' premiere? Who created 'Dallas'? On which network did 'The Dukes of Hazzard' originally air? Where is 'The Dukes of Hazzard' set? Who created 'The Dukes of Hazzard'? On which network did 'Magnum, P.I.' originally air? In what year did 'Magnum, P.I.' premiere?