An example   The th Dynasty ended when its last three kingsTutankhamun Aye and Horemhebeach died without an heir  Think about this sentence  First the rest of the article does not give dynasty by dynasty chronology  Second we are not told about the start of the th Dynasty or of it being anything special  Third how does a dynasty end when three subsequen rulers die withouth heirs  I mean they ruled AFTER each other  Also why is this such a big deal when Egypt survived it the first  times