Led by 23-year-old Kate Mullaney, the Collar Laundry Union forms in Troy, N.Y, raises earnings for female laundry workers from two dollars to 14 dollars a week - 1864

Birthdate of Mary Kenney O’Sullivan, first AFL woman organizer. In 1880 she organized the Woman’s Bookbinder Union and in 1903 was a founder of the National Women’s Trade Union League. At age 28 she was to be appointed the first female general organizer for the American Federation of Labor by AFL President Samuel Gompers - 1864

The constitution of the Brotherhood of the Footboard was ratified by engineers in Detroit, Mich. Later became the Brotherhood of Locomotive Engineers - 1863