Which advertising slogan holds the Guinness World Record for the longest continuously used slogan in advertising history?

The advertising world is full of memorable slogans, but some have achieved actual world records in terms of longevity, impact, or recognition. Test your knowledge about advertising slogans that have broken records or made history in unexpected ways. Do you know which iconic tagline has stood the test of time longer than any other?

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De Beers' "A Diamond is Forever" (1948)
Coca-Cola's "The Pause That Refreshes" (1929)
Maxwell House's "Good to the Last Drop" (1915)
Wheaties' "Breakfast of Champions" (1933)