At the Yanghai cemetery in western China, archaeologists found woolen trousers about 3,000 years old on buried horsemen. Woven with sophisticated techniques and reinforced at the crotch, they were designed for riding. Trousers seem to have been born among the horse peoples of the steppes, for comfort in the saddle.
Around 2300 BCE, Enheduanna, daughter of King Sargon of Akkad, became high priestess of the Moon god at Ur. She composed hymns to the goddess Inanna and put her name to them. She is the oldest person identified as the author of a literary work, about 1,500 years before Homer.
Squeeze Earth's 4.5 billion years into a single 24-hour day. Homo sapiens shows up around 11:59:54 p.m., roughly six seconds before midnight. All of written history, from Sumerian tablets to today, fits into the final tenth of a second. A cosmic blink.