Day — Labor

The U.S. government intentionally chose the September date to avoid the socialist and radical connotations associated with May Day at the time.

: In 1968, the Uniform Monday Holiday Act ensured Labor Day and several other holidays would always fall on Mondays to provide three-day weekends for workers. Labor Day | Meaning, History, & Facts - Britannica Labor Day

: The first Labor Day parade took place on Tuesday, September 5, 1882 , in New York City. Organized by the Central Labor Union, roughly 10,000 workers took unpaid leave to march from City Hall to 42nd Street. Labor Day | Meaning, History, & Facts -

: This old fashion "rule" likely began in the late Victorian era as a way for the social elite to distinguish themselves from the working class by stowing away summer whites after vacation. Labor Day | Meaning