August 11, 1911 - Minneapolis Building Trades locals formed a Building Trades Council. It continues today as an organization of unions representing thousands of construction workers in many crafts.

August 11, 1919 - Andrew Carnegie, the wealthiest and most successful late-19th century capitalist, died in New York. He worked his employees ruthlessly and crushed unionizing efforts such as the Homestead strike of 1892. By the beginning of the 20th century, Carnegie mills produced one-quarter of the nation's steel and he pocketed an annual profit of $25 million.