Trade unions formed the Federation of Organized Trades and Labor Organizations, later becoming the AFL. Under the leadership of Samuel Gompers and Peter McGuire, the AFL became the most influential labor organization in the nation - 1881
Ellis Island in New York closes after serving as the gateway for 12 million immigrants from 1892 to 1924. From 1924 to 1954 it was mostly used as a detention and deportation center for undocumented immigrants - 1954