Main Page | See live article | Alphabetical index AFL-CIO stands for "American Federation of Labor and Congress of Industrial Organizations". It is America's largest federation of trade unions. The AFL-CIO was formed in the 1955 when the AFL and CIO merged after a long estrangement. See also: Labor union, labor movement. External Link Official site This article is a stub. You can help Wikipedia by fixing it. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.