August 30
Delegates from several East Coast cities meet in convention to form the National Trades' Union, uniting craft unions to oppose "the most unequal and unjustifiable distribution of the wealth of society in the hands of a few individuals." The union faded after a few years - 1834
And this: August 30, 1834 - Union delegates from New York, Boston, Philadelphia and other East Coast cities met in convention to form the National Trades Union. The NTU united craft unions to oppose "the most unequal and unjustifiable distribution of the wealth of society in the hands of a few individuals." Active for only a few years, the NTU nonetheless helped spawn the organization of more than 60 new unions.
President Franklin Roosevelt's Wealth Tax Act increases taxes on rich citizens and big business, lowers taxes for small businesses - 1935
OSHA publishes scaffold safety standard, designed to protect 2.3 million construction workers and prevent 50 deaths and 4,500 injuries annually - 1996
(Preventing Occupational Disease and Injury is an invaluable compendium of information on more than 100 illnesses and other health problems caused in whole or in part by various occupations, accompanied by professional advice on tools to respond to, control and eliminate job-related diseases and injuries. In the UCS bookstore now.)
Labor history found here:
http://www.unionist.com/big-labor/today-in-labor-history & here:
http://www.workdayminnesota.org/index.php?history_9_08_30_2011