The sign describes the fire in the shirt factory that happened on March 25, 1911, a fire in which 146 people died.
Following the fire in which mostly day laborers perished, safety and working conditions in factories in the United States were improved
The place is also designated as a United States National Historic Landmark as depicted in the nearby sign taken on the same day by the same photographer
TRIANGLE SHIRTWAIST FACTORY
(ASCH BUILDING)
HAS BEEN DESIGNATED A
NATIONAL HISTORIC LANDMARK
THE TRIANGLE SHIRTWAIST FACTORY FIRE IN WHICH 146 WORKERS DIED. OCCURRED HERE ON MARCH 25, 1911.
THIS BUILDING POSSESSES NATIONAL SIGNIFICANCE IN COMMEMORATING THE HISTORY OF THE UNITED STATES OF AMERICA
1991
NATIONAL PARK SERVICE
UNITED STATES DEPARTMENT OF THE INTERIOR
Click for a larger image The building where the factory was located - the Brown Building, is today used by NYU University and is defined as a Designated Landmark of New York
Click for sign's details The building was photographed several days earlier by the same photographer
Click for a larger image