November 21

Six miners striking for better working conditions under the IWW banner are killed and many wounded in the Columbine Massacre at Lafayette, Colo. Out of this struggle Colorado coal miners gained lasting union contracts - 1927
 
The 1,700-mile Alaska Highway (Alcan Highway) is completed, built during World War II on the order of President Roosevelt.  Some 11,000 troops, about one-third of them African-Americans, worked on the project, which claimed the lives of an estimated 30 men. Memorials for the veterans are scattered in spots throughout the highway, including the Black Veterans Memorial Bridge, dedicated in 1993.  It wasn’t until 1948 that the military was desegregated - 1942
 
The United Auto Workers Union strikes 92 General Motors plants in 50 cities to back up worker demands for a 30-percent raise. An estimated 200,000 workers are out - 1945

Staten Island and Brooklyn are linked by the new Verrazano Narrows Bridge, the longest suspension bridge in the world at the time and still the longest in the U.S.  Joseph Farrell, an apprentice Ironworker on the project, told radio station WNYC: "The way the wind blows over this water it would blow you right off the iron. That was to me and still is the most treacherous part of this business. When the wind grabs you on the open iron, it can be very dangerous." Three workers died over the course of the 5-year project - 1964
(Skilled Hands, Strong Spirits follows the history of the Building and Construction Trades Department of the AFL-CIO from the emergence of building trades councils in the age of the skyscraper. It takes the reader through treacherous fights over jurisdiction as new building materials and methods of work evolved; and describes numerous Department campaigns to improve safety standards, work with contractors to promote unionized construction, and forge a sense of industrial unity among its fifteen (and at times nineteen) autonomous and highly diverse affiliates. Arranged chronologically, Skilled Hands, Strong Spirits is based on archival research in Department, AFL-CIO, and U.S. government records as well as numerous union journals, the local and national press, and interviews with former Department officers.)
 
The promise of telecommuting arrives when the Advanced Research Projects Agency Network—ARPANET, the beginnings of the global internet—is established when a permanent link is created between the University of California at Los Angeles and the Stanford Research Institute in Menlo Park, Calif. - 1969

 
A fire at the MGM Grand Hotel and Casino in Las Vegas kills 85 hotel employees and guests and sends 650 injured persons, including 14 firefighters, to the hospital. Most of the deaths and injuries were caused by smoke inhalation - 1980
 
Flight attendants celebrate the signing into law a smoking ban on all U.S. domestic flights - 1989
 
Congress approves the North American Free Trade Agreement (NAFTA), to take effectJan. 1 of the following year - 1993
 
The Genetic Information Nondiscrimination Act takes effect in the nation’s workplaces. It prohibits employers from requesting genetic testing or considering someone’s genetic background in hiring, firing or promotions - 2009