The Cretaceous (along with the Mesozoic) ended with the Cretaceous–Paleogene extinction event, a large mass extinction in which many groups, including non-avian dinosaurs, pterosaurs, and large marine reptiles, died out, widely thought to have been caused by the impact of a large asteroid that formed the Chicxulub crater in the Gulf of Mexico.
If any one hire a day laborer, he shall pay him from the New Year until the fifth month (April to August, when days are long and the work hard) six gerahs in money per day; from the sixth month to the end of the year he shall give him five gerahs per day.