General Motors announces it is closing 21 North American plants over the following four years and slashing tens of thousands of jobs - 1991

Pattern Makers League of North America merges with International Association of Machinists & Aerospace Workers - 1991

What many believe was to become the longest strike in U.S. history, 600 Teamster-represented workers walk out at the Diamond Walnut processing plant in Stockton, Calif., after the company refused to restore a 30 percent pay cut they had earlier taken to help out the company. The two sides ultimately agreed to a new contract after 14 years - 1991