April 17
The Supreme Court holds that a maximum hours law for New York bakery workers is unconstitutional under the due process clause of the 14th amendment - 1905
And this: April 17, 1905 - The U.S. Supreme Court held that a maximum hours law for New York bakery workers was unconstitutional under the due process clause of the 14th amendment. Meaningful legislation to limit working hours was not achieved until passage of the federal Fair Labor Standards Act in 1938.
Labor history found here:
http://www.unionist.com/today-in-labor-history & here:
http://www.workdayminnesota.org/index.php?history_9_04_17_2011