In This places it right in the middle of the Golden Age of Ancient Greece, which had its height during the 5th century BCE (499-400 BCE). The play is a product of its time and shows Sophocles taking sides in the scientific and religious debates of the period.
What does Jocasta do when she learns the truth?
Upon learning this news, Jocasta hangs herself the bedroom that she has shared with both her husband and her son. Oedipus takes two brooches from Jocasta's dress and uses them to pierce his eyes and blind himself.
Did Jocasta know she was Oedipus mother?
In Oedipus Rex, Jocasta did not know that she was Oedipus's mother until the messenger from Corinth confirmed that Oedipus was not Polybus's biological son and shared the details of how Oedipus came to be adopted by Polybus.