| 1971 |
Closure of St Martin's Hospital |
| 1973 |
Bishop Hudson retired - Ralph Edwin Wicks ordained Bishop |
| 1974 |
Mr Roland St John retired after 27 years of diocesan work, much as Registrar - Mr Norman Reid appointed Registrar |
| |
Australia Day floods in South-east Queensland |
| 1975 |
Put in motion change in nomenclature to The Anglican Church of Australia |
| 1977 |
Province of Papua New Guinea inaugurated |
| 1977-1978 |
An Australian Prayer Book introduced |
| 1980 |
Retired |
| Arnott presided at a time of experiment within the Church of different forms of liturgy. He was a member of the Anglican Roman Catholic International Commission and was an ardent mover for reunion with Rome. Arnott was pro-ordination of women and deeply concerned with perceived erosion of civil liberties. |