- Inaugural ICFP WG2.8 meeting
- Yale haskell compiler (Hudak et al)
- Hope+ and existential data types (Perry)
- Yale Meeting, establishes goals of standard language, and the name Haskell is chosen.
- February: Type classes introduced by Wadler
- April: Glasgow meeting
- July: Inaugural IFIP WG2.8 meeting, Glasgow
- Textbook: "Introduction to Functional Programming" (Bird, Wadler)