Last mentioned: Mar 25, 2026
115th Anniversary
Analysts observe that traditional union momentum has largely stalled despite new digital organizing tactics.
AFL-CIO Merger
The two largest labor federations merge at the peak of American union influence.
Taft-Hartley Act
Legislation restricts the power of labor unions, marking the beginning of a long-term decline in density.
Wagner Act Passed
The National Labor Relations Act establishes the right of workers to organize and bargain collectively.
Triangle Shirtwaist Fire
Tragic fire in NYC kills 146, sparking a national movement for labor safety and unionization.
As the 115th anniversary of the Triangle Shirtwaist Factory fire passes, labor analysts note a significant decline in the institutional momentum that once defined American unionism. Despite modern organizing efforts, structural shifts and legislative hurdles continue to suppress union density to historic lows.
This page surfaces every story mentioning National Labor Relations Board across our hr & workforce coverage. We track each entity's appearance over time so readers can trace how the narrative evolves — which developments are isolated incidents, which build into longer arcs, and which reframe how operators in the space think about the entity. Story selection uses the same multi-source verification gate applied across the rest of our coverage.
Read our editorial methodology for how we identify, deduplicate, and score entity references. Our glossary defines the technical terms used across stories on this page, and our trends index contextualizes individual developments against the longer-running hr & workforce beat. Cross-entity comparisons live on our compare view.
| What you see | What it tells you |
|---|---|
| Story count | Number of distinct stories where National Labor Relations Board was a primary or referenced actor. |
| Recency clustering | Whether mentions are concentrated in a recent window (a news cycle) or distributed (a sustained arc). |
| Sentiment distribution | Aggregate sentiment of the stories mentioning this entity, weighted by impact score. |
| Cross-niche links | When the same entity surfaces in our sibling networks, we link to those views to enrich context. |