The largest union group in the United States during the first half of the 20th century. It still exists today but merged with The Congress of Industrial Organization.
1913 · The Completion of the Keokuk Dam
The Keokuk Dam was completed in 1913 and began to power the surrounding area. It was the largest single capacity powerhouse in the world at the time. After World War II, the powerhouse was modernized and all the units were converted in 2002. It remains the largest privately owned and operated dam on the Mississippi River.
1 French: topographic name from Old French maine ‘dwelling’, ‘residence’, ‘abode’, or a habitational name from any of numerous places so named.2 Scottish and English: variant spelling of Main .3 Catalan (Mainé): variant of Mainer .