Which ancient civilization is credited with staging the first documented ceremonial 'product launch' when introducing silk textiles imported from distant trade routes?

Before modern marketing campaigns and product launches, ancient civilizations had their own methods of introducing new goods to the public. From ceremonial unveilings of imported luxuries to royal proclamations about innovative tools, product launches in antiquity combined commerce, religion, and statecraft. Test your knowledge about how ancient societies brought new products to their markets and changed consumption patterns across early empires!

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Ancient Rome, where emperors would host lavish public unveilings of new Eastern luxury goods in the Forum
Ancient Egypt, where Pharaohs would present new exotic goods during religious festivals at temples
Babylonia, where market heralds would announce new products with processions through the Processional Way
Ancient Greece, where merchants would showcase new imports during the Olympic Games to attract wealthy patrons