Where is 'The Simpsons' set?

On which network did 'The Wonder Years' originally air? In what year did 'The Wonder Years' premiere? In what year did 'Seinfeld' premiere? Who created 'Seinfeld'? On which network did 'Saved by the Bell' originally air? In what year did 'Saved by the Bell' premiere? On which network did 'Family Matters' originally air? In what year did 'Family Matters' premiere?