| 1970 | - The "Colt Galant GTO" (with 4G32 DOHC Saturn engine onboard) is launched.
- The initial basic contract on a joint venture with Chrysler is concluded.
- Mitsubishi Motors Corporation is established.
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| 1971 | - Sales of the "Dodge Colt" start in North America.
- The Colt F2000 wins the Japan Grand Prix Auto Race.
- The "Galant Coupe FTO" is launched.
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| 1972 | - Football Club, Mitsubishi Heavy Industries. wins the All-Japan Soccer Championship, the Emperor's Cup.
- The "Minica F4" (with 2G2 Vulcan engine onboard) is launched.
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| 1973 | - The "Lancer" is launched.
- The Galant 16L HT GS wins the 21st East African Safari Rally.
- The Lancer 1600GSR wins all titles in the 8th Australian Southern Cross Rally.
- A contract on giving technical assistance on the 4G36 engine to Hyundai Motor is concluded.
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| 1976 | - The symbol mark "M.M" is attached to new products.
- The "Galant Sigma" (with the 4G5 engine with silent shaft and 4 link rear suspension G32B MCA-JET engine onboard) is launched.
- The "Galant Lambda" is launched.
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| 1977 | - The Nagoya Plant-Okazaki is completed.
- Europe Office (The Netherlands) is established.
- The 1st Mirage Bowl is held.
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| 1978 | - A new sales channel ,"Car Plaza" consisting of 109 companies (186 outlets) starts operations nationwide.
- The "Mirage" (with KM160 transmission with super-shift onboard) is launched.
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| 1979 | - The patent rights on the silent shaft are licensed to Porsche AG.
- The Kyoto Plant-Shiga is completed.
- The total number of cars produced exceeds one million/year. (1.005 million exactly)
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