Göbekli Tepe in Turkey features carved stone pillars weighing up to around ten tonnes, raised about 11,500 years ago. That is more than 6,000 years before Stonehenge, when agriculture was barely beginning. Its builders still lived by hunting and gathering: monumental architecture didn't wait for fields.
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.