Final answer:
The tragic event in Chapter 13 is the fire at the Triangle Shirtwaist Company, where 146 people died due to locked doors and safety issues.
Step-by-step explanation:
The tragic event that occurs in Chapter 13 is the fire at the Triangle Shirtwaist Company. This event is an example of a tragedy, where a number of people suffer and die as a result of the protagonist's hamartia. On March 25, 1911, a fire broke out on the eighth floor of the company's building in New York City. Due to locked exit doors and other safety issues, 146 people lost their lives within a short span of time.