Explore Milwaukee County (Click on picture) Milwaukee County, created in 1834 as a territorial county, is derived from a Native American word Mahnawaukee-Seepe meaning gathering place by the river.. Located in southeast Wisconsin, the county seat is Milwaukee.
The Cretaceous-Tertiary extinction event, or the K-T event, is the name given to the die-off of the dinosaurs and other species that took place some 65.5 million years ago. For many years, paleontologists believed this event was caused by climate and geological changes that interrupted the dinosaursâ food supply.
Cretaceous dinosaurs included: Iguanodon, Tyrannosaurus Rex, Parasaurolophus and many more. Dinosaurs are not extinct. Dinosaurs went extinct about 65 million years ago (at the end of the Cretaceous Period), after living on Earth for about 165 million years.The dinosaurs' long period of dominance certainly makes them a great success story in the history of life on Earth.retaceous dinosaurs included: Iguanodon, Tyrannosaurus Rex, Parasaurolophus and many more. Dinosaurs are not extinct. Dinosaurs went extinct about 65 million years ago (at the end of the Cretaceous Period), after living on Earth for about 165 million years.