when shoe was invented
Paired with a loincloth, the foot-long sandals called urchin shoes were practical for ancient Egyptians to traverse their desert oases. It's not clear when they were first crafted, but the earliest references to them in literature come from Roman philosopher Seneca's influential De Beneficiis around A.D. 60. Citing a Greek source as his source, Seneca wrote that the urchin shoe had been used since "the earliest days of mankind. … [They were] found in the earliest tombs and the earliest monuments." The urchin shoe was a sandal made from cork and covered in leather, but many of its features are similar to a modern-day flip-flop. For example, it has a strap on each side that loops over the toes. However, unlike modern flip-flops, the straps don't have holes for your toes to crawl through. Instead, they are open-ended flaps that cover one toe at a time. In this way, you can walk on a sandy surface without getting stuck in mud or feeling any kind of sand squeeze ...