In what year did Coca-Cola introduce its iconic contour bottle design, which was specifically created to be recognizable even in the dark or when broken?

The visual identity of products tells us as much about history as written documents do. Brand evolution reflects changing cultural aesthetics, technological capabilities, and consumer preferences through time. Coca-Cola, one of the world's most recognizable brands, has undergone fascinating transformations since its 19th century origins. This trivia question explores a pivotal moment in Coca-Cola's product history that dramatically shaped consumer perception and market positioning.

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1915
1886
1942
1923