During this time, 20,000 other newspaper workers represented by other unions refused to cross the photo engravers' picket lines.
The walkout was one of dozens against the retail giant across the nation protesting Walmart's bully tactics aimed at silencing the "OUR Walmart" worker upsurge.
The night before the strike, hundreds of port workers, union and community supporters gathered at the airport to launch the action.
One-day strikes affected seven Summit hospitals in the San Francisco Bay Area, involving up to 3,200 nurses and several hundred medical technicians.
On this day in 1816 the term "scab" was coined by the Albany Typographical Union in reference to strike breaking.
This Black Friday, Wal-Mart associates plan to hold a series of actions at 1,000 Wal-Mart locations nationwide.
Hostess Brands Inc., in an attempt to break a strike by its bakers, has announced what it calls the permanent closure of three of its bakeries.
Warehouse workers vowed to walk off the job this week if retaliation at a Walmart-contracted warehouse does not end.
"We're not fighting for any extra - just to keep what we have."