Events that occurred on 22 March.
 On Earth
- 1916 – J.R.R. Tolkien marries Edith Bratt in the church of St Mary Immaculate in Warwick.
- 1968 - The Daily Telegraph publishes an interview of Charlotte and Denis Plimmer with J.R.R. Tolkien.
- 1981 - The third episode of the 1981 radio series of The Lord of the Rings is aired on BBC Radio 4.
- 1996 - Tyalië Tyelelliéva issue 8 is published.
- 2006 - Preview performances of The Lord of the Rings Musical end.
- 2018 - Pagan Saints in Middle-earth is published.