The Post-Intelligencer is owned by the Hearst Corporation, which, at the time, was notorious for anti-unionism and anti-communism.
Zapata headed the land reform struggles of Mexican farmers and was a leader of the Mexican revolution.
The United States dropped an atomic bomb on Nagasaki, Japan, Aug. 9, 1945, three days after the bombing of Hiroshima, the only two cases of using a nuclear weapon against civilians.
The first general strike in Canadian history was held in Vancouver on this day in 1918, organized as a 1-day political protest against the killing of draft evader and labor activist Albert "Ginger" Goodwin.
Legend has it that Defoe's poem struck such a chord with the public that they threw flowers and drank to his health.
The contract covered 10,000 workers and provided seniority, hiring, and a medical plan.
Dobbs first became a pro-labor activist after witnessing the plight of workers during the Great Depression in the 1930s.
Emma Lazarus, the poet who wrote "The New Colossus," was born July 22, 1849.
On this day in 1877 during the Great Railroad strike, workers in Pittsburgh forced soldiers sent to quell the job action to flee the city.
Much of the coverage in the local newspapers blamed the IWW for the attack and accused it for being a destabilizing force in the city.