David Newhardt. Celebrate every month with America’s stylish pony car on display in your home or office. Mustang’s storied past is a large part of the allure found today in the new, retro look of the car. Check out this excellent selection of Mustangs, including a 1968 GT Fastback, 1984 GT Turbo convertible, 1968 California Special, 2004 Mach 1, 1970 Boss 429, 1969 Mach 1 Cobra Jet, 2005 GT and more. The calendar is full of interesting Mustang trivia, for example, on January 27, 1965: The Shelby GT350, based on the Ford Mustang, is introduced by designer Carroll Shelby at Riverside, California. Ford official licensed product.