) After existing for 163 million years, the dinosaurs disappeared at the end of the Cretaceous Period, 66 million years ago. The Earth's appearance during the Mesozoic Era was quite different from its appearance today.The reason for the difference is that although the surface of our Earth seems rock solid, it is not. After existing for 163 million years, the dinosaurs disappeared at the end of the Cretaceous Period, 66 million years ago. The Earth's appearance during the Mesozoic Era was quite different from its appearance today.
When The World Was Black: The Untold History Of The Worldâs First Civilizations, Part One: Prehistoric Cultures (When The World Was Black: The Untold History Of The Worldâs First Civilizations #1) âIn this book, youâll learn about the history of Black people.
The Black Stone. For other uses, see Black Stone (disambiguation). The Black Stone is a classic short story by Robert E. Howard, first published in the November 1931 issue of Weird Tales. The story introduces the mad poet Justin Geoffrey and the fictitious Unaussprechlichen Kulten by Friedrich von Junzt.