This is a response to the following poll:
This poll was a trick question. Some of you may have realized this early on. The discovery of the Narmer Palette (pictured above) leads Egyptologists to believe that both Upper and Lower parts of Egypt were united by the Pharaoh Narmer who reigned somewhere between 3173 - 2987 BCE. However, it has been debated on whether Narmer or Hor-Aha (his successor) was the first ruler of the First Dynasty of Egypt and which corresponds to the legendary Menes of later Egyptians texts.