The famous stone is no mystical text: it's a decree issued by priests in 196 BCE honoring Pharaoh Ptolemy V, mentioning tax exemptions among other things. Carved in hieroglyphs, Demotic and Greek, it allowed Champollion to crack hieroglyphs in 1822. It is one of the most visited objects in the British Museum.
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.