¤ 1961; Work begins on 911 engine; Ferdinand Porsche III designs the body

¤ 1963; New 911 unveiled at Frankfurt International Automobile Show

¤ 1964; 911 production commences

¤ 1965; Lower-end 912 introduced

¤ 1969; 914-4 & 914-6 models presented; 911 racks up back-to-back Monte Carlo wins