In which decade did Coca-Cola first introduce the distinctive white wave (known as the 'Dynamic Ribbon' or 'Coca-Cola wave') to its logo design?

Coca-Cola's iconic logo has evolved significantly since its inception in the late 1800s. Though maintaining its distinctive script style throughout history, the company has made several notable changes to its branding that reflect broader historical and cultural shifts. This trivia question explores a pivotal moment in the company's visual identity history that coincided with significant world events. Test your knowledge about this intersection of brand history and world events!

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1950s, during post-WWII economic boom
1960s, during the height of the Space Race
1970s, during the era of global expansion
1980s, during the company's centennial celebrations