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While the redesign gave the Corvette a fresh look for the new model year, Chevrolet also recognized the importance of commemorating the car's quarter-century of production.  For the first time in the brand's history, two special-edition Corvettes were introduced for the 1978 model year: the Silver Anniversary Edition and the Indy Pace Car coupes. On March 15, 1977, the 500,000th Corvette rolled off the assembly line at Chevrolet's St. Louis manufacturing plant. 
1993 Corvette C4 40th Anniversary ZR-1 parked on street
In 1993 just 448 ZR-1 Corvettes were produced and only 240 of them were 40th Anniversary Edition cars. The 40th Anniversary Package consists of a deep and glossy Ruby Red exterior finish over a matching Ruby Red interior with leather adjustable sport seats. A Corvette with both of these highly desirable packages is rare and special. At the heart of the ZR-1 is the 405-horsepower LT5 V8 engine mated to a 6-speed manual transmission.
The 1978 Silver Anniversary Edition Corvette was developed to offer consumers a “collectible” model that commemorated one of Corvette’s milestone production anniversaries (its twenty-fifth anniversary in this case) in a way that had ever been done previously with any Corvette model year that had come before it. The car was mechanically identical to 1978 counterparts.
While not exactly a "collector's edition" Corvette in its own right, it nonetheless has become a uniquely identifiable and collectible Corvette from the fourth-generation era. 1988 marked the 35th anniversary for Corvette, and so it was decided that Chevrolet should commemorate the milestone by introducing an anniversary-edition model. This anniversary car was the first of its kind in a decade, given that Chevrolet opted not to manufacture a Corvette in 1983.
2013 427 Collector Edition Convertible
The 2013 Corvette 427 Convertible served double-duty as a commemorative edition model.  While it marked the departure of the sixth-generation Corvette. The real selling-point was the powerplant at the heart of the car - a 427-cubic-inch (7.0L) LS7 engine, the same engine used in the C6 Corvette Z06.  Rated at 505 horsepower (377kW) and 470lb.-ft of torque (637 Nm), this 427 was the most powerful engine GM had ever installed in a production Corvette convertible to date.
Another decade – another milestone anniversary edition Corvette. However, the 2003 model year was especially significant as it marked the 50th year of the Corvette’s production at Chevrolet.  To commemorate a half-century of manufacturing, every Corvette built in 2003 was adorned with special “50th Anniversary” badging – a unique “50” badge on each of the front fenders above the bodyside coves, and a special crossed flags badge that included “50 Anniversary” badging.
The 2018 Carbon 65 Edition Corvette
As the 2018 model year approaches, the Chevrolet Corvette is about to reach another important milestone – its 65th anniversary! The Corvette, which for the past six-plus decades has been recognized as the nation’s most popular sports car, made its debut in Flint, Michigan on June 30, 1953.  To commemorate the car’s 65th anniversary milestone, Chevrolet is introducing the Corvette Carbon 65 Edition as an available option on the 2018 Grand Sport 3LT and Z06 3LZ models.