← Revision history

Immutable archive snapshot

Edition 2

The Triangle Shirtwaist Factory Fire · 24 July 2026 · Current published edition

Field-by-field comparison

What changed

Unchanged fields remain visible in a quieter style so this comparison is complete, not selective.

TitleUnchanged
Edition 1

The Triangle Shirtwaist Factory Fire

Edition 2

The Triangle Shirtwaist Factory Fire

Quick readUnchanged
Edition 1

Fire swept through the upper floors of the Triangle Waist Company near Washington Square, killing 146 workers. Many victims were young immigrant women. Inadequate exits, crowded work areas, and failures in workplace protection turned a containable fire into one of the deadliest industrial disasters in New York history.

Edition 2

Fire swept through the upper floors of the Triangle Waist Company near Washington Square, killing 146 workers. Many victims were young immigrant women. Inadequate exits, crowded work areas, and failures in workplace protection turned a containable fire into one of the deadliest industrial disasters in New York history.

DateUnchanged
Edition 1

25 March 1911

Edition 2

25 March 1911

LocationUnchanged
Edition 1

The Asch Building, now NYU’s Brown Building

Edition 2

The Asch Building, now NYU’s Brown Building

BeforeUnchanged
Edition 1

New York’s garment industry relied on crowded factories and a largely immigrant workforce. Workers had organized for better pay, hours, and conditions, including during the 1909 shirtwaist strike, but regulation and enforcement remained inadequate.

Edition 2

New York’s garment industry relied on crowded factories and a largely immigrant workforce. Workers had organized for better pay, hours, and conditions, including during the 1909 shirtwaist strike, but regulation and enforcement remained inadequate.

Trigger and conditionsUnchanged
Edition 1

A fire began near the end of the Saturday workday. Flames spread through combustible fabric and waste. Workers encountered blocked or inadequate escape routes, while fire ladders and safety nets could not reach or protect people on the highest floors.

Edition 2

A fire began near the end of the Saturday workday. Flames spread through combustible fabric and waste. Workers encountered blocked or inadequate escape routes, while fire ladders and safety nets could not reach or protect people on the highest floors.

AftermathUnchanged
Edition 1

The deaths prompted mass mourning, investigations, testimony about factory conditions, and renewed organizing. The company owners were acquitted of manslaughter; civil settlements later provided limited compensation to families.

Edition 2

The deaths prompted mass mourning, investigations, testimony about factory conditions, and renewed organizing. The company owners were acquitted of manslaughter; civil settlements later provided limited compensation to families.

Long-term consequencesUnchanged
Edition 1

New York created a Factory Investigating Commission that examined fire safety, sanitation, hours, and industrial disease. Its work helped drive a broad revision of state labor and building protections and influenced future national labor policy.

Edition 2

New York created a Factory Investigating Commission that examined fire safety, sanitation, hours, and industrial disease. Its work helped drive a broad revision of state labor and building protections and influenced future national labor policy.

Why it mattersUnchanged
Edition 1

Triangle connects a single building to the history of labor rights, immigration, fire codes, regulatory enforcement, and public responsibility. It shows that safety disasters are rarely explained by an ignition alone; working conditions determine who can escape.

Edition 2

Triangle connects a single building to the history of labor rights, immigration, fire codes, regulatory enforcement, and public responsibility. It shows that safety disasters are rarely explained by an ignition alone; working conditions determine who can escape.

What remains todayUnchanged
Edition 1

The building survives as part of New York University and is a National Historic Landmark. A permanent memorial installed on its exterior names the victims and makes the history visible in the streetscape.

Edition 2

The building survives as part of New York University and is a National Historic Landmark. A permanent memorial installed on its exterior names the victims and makes the history visible in the streetscape.

UncertaintyUnchanged
Edition 1

The identity of the first material ignited and the exact ignition source were never conclusively established. The broader safety failures and the identities of the 146 victims are extensively documented.

Edition 2

The identity of the first material ignited and the exact ignition source were never conclusively established. The broader safety failures and the identities of the 146 victims are extensively documented.

Editorial creditUnchanged
Edition 1

Chaos Tourist editorial demonstration

Edition 2

Chaos Tourist editorial demonstration

SourcesChanged
Edition 1

The New York Factory Investigating Commission
Labor Department commemorates the Triangle Shirtwaist Factory fire

Edition 2

The New York Factory Investigating Commission
Labor Department commemorates the Triangle Shirtwaist Factory fire
Today in History — March 25: Triangle Shirtwaist Factory Fire

Claim citationsChanged
Edition 1

Not present

Edition 2

Fire swept through the upper floors of the Triangle Waist Company near Washington Square, killing 146 workers.
A fire began near the end of the Saturday workday.
The identity of the first material ignited and the exact ignition source were never conclusively established.
Triangle connects a single building to the history of labor rights, immigration, fire codes, regulatory enforcement, and public responsibility.