<Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The First Dynasty of ancient Egypt (Dynasty I) covers the first series of Egyptian kings to rule over a unified Egypt . It immediately follows the unification of Upper and Lower Egypt, possibly by Narmer, and marks the beginning of the Early Dynastic Period, a time at which power was centered at Thinis . </P> <P> The date of this period is subject to scholarly debate about the Egyptian chronology . It falls within the early Bronze Age and is variously estimated to have begun anywhere between the 34th and the 30th centuries BC . In a 2013 study based on radiocarbon dates, the beginning of the First Dynasty--the accession of Hor - Aha--was placed at 3100 BC give or take a century (3218--3035, with 95% confidence). </P> <P> Known rulers in the history of Egypt for the First Dynasty are as follows: </P>

When did the first dynasty in ancient egypt begin