This book takes us on a historical journey to the first human civilizations, reviewing the features of ancient Egyptian civilization, which began five thousand years ago, on the banks of the Nile River, where the ancient Egyptians knew civilization, agriculture, and writing, and built temples and palaces, and erected aqueducts and bridges, while the world was under the shadow of barbarism and savagery, living off hunting. To this day, scholars around the world are still studying the relics of that civilization; to uncover the truth about Egypt and its secrets. He also takes us to Athens and Sparta, the most famous cities of ancient Greece, whose people lived eight hundred years before Christ on farming the land and raising animals. However, they were intelligent, energetic and energetic, so they quickly built colonies on the Mediterranean coast, then cities, built ships, engraved stones, and made pictures. Their fame spread, and they were the first to create the principles of science, in the fields of: medicine, natural history, engineering, mechanics, and geography.