#4: The Origins of Toilet Paper in China
As early as the 6th century AD, the Chinese introduced toilet paper, which revolutionized personal hygiene. Far from its humble modern counterpart, this early version was a luxurious commodity reserved for emperors and the elite, highlighting the sophistication of Chinese ingenuity.

Meanwhile, less refined methods prevailed across Europe, with leaves, hay, and even hands serving the purpose. This stark contrast underscores the resourcefulness of ancient China and the cultural disparities of the time, showcasing how a seemingly simple item could reflect the advancements of a civilization centuries ahead of its peers.