The United Auto Workers union is prepared to strike Fiat Chrysler Wednesday. The strike would be the first in the industry since 2007, affecting about 40,000 workers. Take a look back at the 10 biggest strikes in U.S. history.
8. Steel Strike of 1959 -- More than 500,000 steel workers walked off the job nationwide in November 1959 over a demand for higher wages and to protect a contract clause that guaranteed worker jobs and hours. They won their case on both issues.