) 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 Death is a specific outbreak of bubonic plague that hit Europe and parts of Asia and Africa in the middle of the 14th century. The Black Death started in Asia, but w â¦ e do not know exactly when.It spread into Europe in 1347, and continued to spread until 1351. It usually lasted for a few months in the areas it, but in some places hung on for up to two years, so it might have be epidemic in some areas as late as 1353.nd it was REALLY bad, also, the song, Ring a Round a Rosie was named after it       AnswerThe Black Death, also known as the Bubonic Plague, was a pandemic that swept through Europe between 1346 and sporadically until the late 1700's; peaking between 1347-1351.