Which brand slogan holds the Guinness World Record for the longest-running advertising slogan in history?

Brand slogans can become iconic parts of our cultural landscape, but did you know some have set actual world records? This trivia tests your knowledge about the intersection of marketing catchphrases and record-breaking achievements. Can you identify which famous slogan holds a remarkable place in the Guinness World Records?

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De Beers - 'A Diamond is Forever' (since 1948)
Nike - 'Just Do It' (since 1988)
Coca-Cola - 'It's the Real Thing' (since 1969)
Maxwell House - 'Good to the Last Drop' (since 1915)