Final answer:
The deadliest workplace disaster in New York City history that surpassed the Triangle Shirtwaist Factory Fire was the collapse of the World Trade Center on September 11, 2001.
Step-by-step explanation:
The event that surpassed the Triangle Shirtwaist Factory Fire as the deadliest workplace disaster in New York City history was the collapse of the World Trade Center on September 11, 2001. This tragic event resulted in the deaths of almost 3,000 people, including many workers in the Twin Towers.
The terrorist attacks of 9/11 were a shocking and devastating event that not only claimed numerous lives but also had a significant impact on the city and the nation as a whole. This event led to changes in national security policies and a renewed focus on preventing future attacks.