T-Rex By hmonsta Jan 1, 1700 Found in the last 3 million years of the Cretaceous Period Period: Jan 1, 1700 to Dec 31, 2000 T-Rex Jan 5, 1786 The K-T event all non-avian dinosaurs are killed Mar 1, 1874 Fossils T-rex teeth were found by A. Lakes near Golden, Colorada Mar 1, 1900 Skeleton Barnum Brown found the first partial skeleton in eastern Wyoming
