) 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.
November 1974 South Africa is expelled from the United Nations. Due to apartheid, South Africa is removed from the United Nations. South Africa is not allowed back into the United Nations until apartheid ends in 1994. June 16, 1976 More than 600 students are killed in the Soweto Massacre. High school students in Soweto start a protest for an improved education system for blacks.