Long ago, a great civilization grew up in a hot, sandy place — the deserts of northern Africa. It might seem strange that so many people could live in a desert, but they had a secret helper: the Nile River.

The Nile is the longest river in the world, and it runs right through Egypt. Ancient Egyptians called their home the gift of the Nile, because without the river there would have been only dry sand.

Every year the Nile would flood. Rain far away in the mountains made the river rise and spill over its banks. When the water went back down, it left behind a layer of dark, rich mud that was perfect for growing crops.

Because of this yearly flood, Egyptian farmers could grow wheat and other plants in soil that was rich. They grew so much food that Egypt became strong and wealthy, and people had time to build, invent, and create.

The river gave the Egyptians more than food. They fished in it, drank from it, and sailed boats up and down it to carry goods and visit other towns. The Nile was like a busy road made of water.

So a great civilization grew in the desert not by luck, but because the Nile gave it water, food, and a way to travel. The river was the heart of everything the Egyptians did.