You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when was the american federation of labor founded?" whose answer is in December 1886.
Each document should contain about 30 words, and these documents should contain useful information.

Query: American Federation of Labor founding year
Useful Output:

Doc 1: Samuel Gompers, a Jewish-American cigar-maker and labor activist established the American Federation of Labor in 1881 by transforming his small
Doc 2: The American Federation of Labor (AFL) was a national federation of labor unions in the United States founded in 1886.
Doc 3: During this year, Samuel Gompers founded the American Federation of Labor (AFL), which allowed only skilled workers to be members, unlike the Knights of Labor.
Doc 4: The American Federation of Labor, a national federation of labor unions in the United States, was founded at a convention in Columbus, Ohio, on December 8 in
Doc 5: In 1886, the founding convention of the American Federation of Labor (AFL) elected five men to lead an organization of fewer than 200,000