Which iconic company changed its long-running slogan from "Breakfast of Champions" to "Better Nutrition Available in No Other Form" during World War II rationing?

Throughout history, certain advertising slogans have become cultural touchstones, changing how products were marketed forever. Some classic slogans were so effective they remained unchanged for decades, while others evolved with the times. This trivia question explores one of the most significant slogan pivots in advertising history - when a major company made a strategic change that reflected shifting consumer priorities and transformed their brand positioning.

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Wheaties
Quaker Oats
Kellogg's Corn Flakes
Post Grape-Nuts