Newel Knight and his wife visit Joseph Smith, Jr., in Harmony (PA). Joseph Smith receives a revelation (D&C 27:1-4) concerning use of wine in the sacrament. Joseph and Emma Smith, Newel and Sally Knight, and John Whitmer hold a sacrament meeting, after which Emma and Sally are confirmed . ... The absence of D&C 27:5-18 from the Book of Commandments indicates that these verses were more likely composed in 1835 prior to publication in the Doctrine and Covenants.
[Vogel, Dan, Early Mormon Documents, Appendix B: Chronology, 1771-1831, http://amzn.to/T5nY8w]