In April 1985, Caffeine-Free Coca-Cola was switched to the unpopular New Coke formula and did not switch back to the Coca-Cola Classic formula until 1989.
Nisan 1985'te Kafeinsiz Coca-Cola, New Coke formülüne geçti ve 1989 yılına kadar Coca-Cola Classic formülüne geri döndü.