January 1 - Midnight: Earth's "creation"

March 15: Oldest rock that has been dated

April 1: Beginning of life on Earth

November 15: Land plants and animals appear

December 15 to December 26: Dinosaurs dominate

December 31: Close to midnight

11:58:45: Last Ice Age

11:59:45 to 11:59:50: The Rise and Fall of the Roman Empire

11:59:57: Columbus reaches America

Geology has been a science only for 1 second.



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