� 1970; 917 first shown to the public in Geneva; blitzes global championships

� 1971; Work commences at Weissach R & D Center; Professor Ferry Porsche celebrates 50th with 260-BHP 914/8

� 1972; Carrera RS 2.7 & 2.8 released, featuring 'duck-tail' spolier; Porsche goes public

� 1973; 2.7L adopted as 911 standard; 230-BHP 3.0 RS & 330-BHP RSR versions released

� 1974; First 911 Turbo

� 1975; 924, first Porsche Transaxle

� 1976; 924 becomes entry-level Porsche

� 1977; 'Big Porsche' 928 begins production - V8 Transaxle; 3.0L becomes 911 standard; 3.3L on Turbo

� 1978; 928 first (and so far only) sports car to be voted "Car Of The Year"

� 1979; 924 available with Turbo