Sunk around 1300 BCE off Turkey, the Uluburun ship carried about ten tonnes of copper ingots, roughly a tonne of tin, glass, ebony, ivory, Baltic amber and a gold scarab bearing Nefertiti's name. Goods from at least seven different cultures, in a single hold.
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.