Conversation so far:
What accident did James Dean have?
James Dean, unable to stop in time, slammed into the passenger's side of the Ford resulting in Dean's car bouncing across the pavement onto the side of the highway.
Was James Dean injured in the accident?
James Dean was pronounced dead on arrival shortly after he arrived by ambulance at the Paso Robles War Memorial Hospital at 6:20 p.m.
What happened after James Dean's death?
Though initially slow to reach newspapers in the Eastern United States, details of James Dean's death rapidly spread via radio and television.
Were people upset after details of Dean's death rapidly spread via radio and television?
An estimated 600 mourners were in attendance, while another 2400 fans gathered outside of the building during the procession.
What was the date of James Dean's death?
09/30/1955

Question: What else happened during the aftermath of his death?
Self-contained rewrite: What else happened during the aftermath of James Dean's death?