Upper Egypt and wanted to unify Upper and Lower Egypt so he wore a double crown.
King Narmer was the first to unify Upper and Lower Egypt into what we know as "Egypt".
A ruler of upper Egypt namedMenes attacked lower Egypt and won. To show that he had won he combined the Red crown of upper Egypt and the White crown of Lower Egypt . By doing this he created the Pharaoh crown.
Upper and lower Egypt are in Africa. Lower Egypt is north and upper Egypt is south.
He lived some where in lower Egypt. But lower Egypt is upper Egypt because upper is lower and lower is upper.
The person who started the tradition of a pharoah wearing the double crown was Narmer, who united upper and lower Egypt.
The crowns of upper and lower Egypt were combined because King Menes combinded upper and lower Egypt. He decidd to combine upper and lower Egypt and the crowns.
King Menes is credited with the unification of Egypt, as the first pharaoh. King Narmer is considered by some to be the unifier of Egypt and founder of the First Dynasty, and therefore the first pharaoh of Unified Egypt.
Menes married a woman from the other side of Egypt (Lower I do believe).
Lower Egypt; it is in the north, while Upper Egypt is in the south.
Lower Egypt is the top and to the north, Upper Egypt is the bottom and to the south.