Over time, various civilizations have existed, many of which are now ancient. One of the most complex and fascinating of these is that of ancient Egypt. Beginning around 3,150 BC, a civilization known as Ancient Egypt formed in Northeast Africa. This was calculated from a method used by the Egyptians called chronology. Chronology was used to record rulers and dynasties, as well as important events. Egyptian development began when King Menes – the first pharaoh – unified Upper and Lower Egypt. This formed a society that progressed over the centuries. The type of government in ancient Egypt was theocracy. This means that they worshiped one person as God; and being primarily the Pharaoh. The primary writing system of the Egyptians was hieroglyphs, which used a few different writing elements. It has been used in many ways, such as royal decrees, temple and tomb imprints, religious texts, personal accounts, and legal documents. Credited for several different inventions, one of the Egyptians' most famous is something as simple as the eye m...