Because laughs in advertising seem to be in  short supply right now, here are some great funny ads from the USA in the 70s (or thereabouts).  It was supposed to be a Top 10 but a few extras snuck in at the end...

1. Volkswagen 'Funeral' - DDB, 1969 (almost the 70s)
2. Alka-Seltzer 'Poached Oysters' - DDB, 1970
3. Wendy's 'Where's the Beef?' - Dancer Fitzgerald Sample
4. Continental Insurance 'Lucky Guy' - Sorry Don't Know
5. Independent Life 'Out of the Picture' - Sorry Don't KNow
6. Pepsi 'Archaeology' - BBDO (dates to 1985 but hey, who's counting?
7. Alka-Seltzer 'Spicy Meatballs' - could be Wells Rich Greene, 1969 (which is almost the 70s)
8. American Motors' Rebel 'Driving Instructor' - Wells Rich Greene, 1969
9. Southern Airlines 'Second Class' - McDonald & Little, 1978
10. Volkswagen 'The Kremplers' - DDB 
11. Wendy's 'Drive Through' - Dancer Fitzgerald Sample
12. Fed-Ex 'Count on It' - Ally & Gargano
13. Volkswagen Karmann Ghia 'Barrier' - DDB, 1962
14. Xerox 'Monk' - Needham Harper Steers, 1977