Today in History is a daily newsletter from Britannica. (more) Today in History—April 23: The Not-So-Sweet Backlash to New Coke Written by Arpit Nayak Arpit Nayak is an associate editor at Encyclopedia Britannica. Arpit Nayak Fact-checked by Britannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Britannica Editors Last updated Apr. 17, 2026 •History After sticking to the same—secret—formula for 99 years, the Coca-Cola Company tweaked the recipe of its iconic soft drink on this day in 1985. Today in History is a daily newsletter from Britannica. Encyclopædia Britannica, Inc. Want to learn more about what happened on April 23, or any other day of the year? Sign up to receive the newsletter in your inbox every morning. Fans of the fizzy drink found this hard to stomach, but Coca-Cola had...

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