What significant event occurs as Oedipus learns the truth about himself?

As Oedipus uncovers the truth about his identity, he comes to the harrowing realization that he has indeed fulfilled the prophecy foretelling that he would kill his father and marry his mother. This moment is pivotal in the narrative, as it marks the culmination of Oedipus’s tragic journey from ignorance to knowledge. The weight of this revelation signifies not only the fulfillment of the prophecy but also the tragic consequences of his actions, leading to devastating outcomes for both himself and his family. This realization is central to the themes of fate, free will, and the search for truth that permeate the play. Consequently, it deepens the tragedy as Oedipus grapples with the horror of his circumstances, reinforcing the play's exploration of human suffering and the inescapable nature of fate.