The creation of one of the oldest surviving astronomical documents, from the Babylonian library of Ashurbanipal around 1600 BC - a 21-year record of the appearances of Venus (which the early Babylonians called Nindaranna).
... together, 10.0% have a female householder with no husband present, and 18.5% are non-families. 15.2% of all households are made up of individuals and 7.3% have someone ...