Instruct: Retrieve semantically similar text.
Query: The Ptolemaic dynasty (Ancient Greek: Πτολεμαῖοι , "Ptolemaioi"), sometimes also known as the Lagids or Lagidae (Ancient Greek: Λαγίδαι , "Lagidai", after Lagus, Ptolemy I's father), was a Macedonian Greek royal family, which ruled the Ptolemaic Kingdom in Egypt during the Hellenistic period. Their rule lasted for 275 years, from 305 to 30 BC. They were the last dynasty of ancient Egypt.
The last dynasty of Egypt was ruled by Greeks
the stops have been happening for quite some time
Nubkhesbed  belongs to a dynasty. 
The Ptolemaic Dynasty was very inbred.
This was arranged many years ago
The Hasmonean Dynasty ended.
It collapsed in the century we are currently in
The Ptolemaic Dynasty were a very family oriented group that spent a lot of time together. 
It has been given out for over 2 decates
It has been given out over for 2 decades
This case has gone on for quite some time
There will be a period in history attached to it.
This occured last year
a decision has been made on the subject
There is a decision that must be made
This is about something that happened in history.
this is not a unique period in world history
A year is mentioned in the statement
The pentagon is mentioned
Philip II of Macedonia is dead
Using a prior decade is not necessarily an error.
It has been given out since the last century
Egypt had Greek Macedonian rulers until the Romans took over.
The ptolemaic dynasty, sometimes referred to as the  Lagids was an Ancient Egyptian royal family
The Lagids or Ptolemaic Dynasty male rulers all took the name Ptolemy and the females rulers took the name Cleopatra.