Which ancient civilization invented a special blue pigment so valuable it was traded internationally and remained a manufacturing secret for over 1,000 years?

Before mass production and modern marketing, ancient civilizations had their own innovative products that shaped commerce and culture. Many of these innovations were so revolutionary that they continued to influence design and manufacturing for thousands of years. Test your knowledge about product development in the ancient world and discover how early civilizations approached innovation and customer engagement.

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Ancient Egyptians (Egyptian Blue)
Mesopotamians (Lapis Blue)
Ancient Chinese (Han Blue)
Phoenicians (Royal Blue)