The first Labor Day was celebrated on Tuesday, Sept. 5, 1882, in New York City, by the Central Labor Union. They celebrated again a year later, but this was long before it became a national holiday.

Editor’s note: “Behind the News” is the product of Sun staff assisted by the Sun’s AI lab, which includes a variety of tools such as Anthropic’s Claude, Perplexity AI, Google Gemini and ChatGPT. Labor ...

For decades, Wong’s calm presence and iron will spurred significant advances in protections for immigrants and workers, ...