Aegyptus is a place from a long time ago, kind of like a big neighborhood where people lived. It was in a part of the world called Egypt which is a very hot place with a lot of sand.
A long time ago, people who lived in Aegyptus were called Egyptians. They had a really cool way of writing using pictures called hieroglyphics, which looked like pictures of animals and people. They built huge buildings called pyramids that were shaped like triangles and were really big.
The Egyptians also had a lot of gods that they believed in, like Ra who was the god of the sun, and Anubis who was the god of the afterlife. They would build temples for these gods and have priests who would pray and make offerings to them.
The Egyptians also had a special way of embalming or preserving dead bodies called mummification. They would wrap the dead person in bandages and put them in a special tomb so they could be prepared to enter the afterlife.
Today, Aegyptus is no longer called that and the people who live there do things differently. But we can still learn a lot about the Egyptians and their culture from what they left behind.