Though less radical (and certainly less well-known) than Greene, he saw the BBC successfully through many significant events in British broadcasting: the surge in television viewership (aided especially by the coverage of the Coronation of Queen Elizabeth II in 1952); the introduction of the competing ITV service in 1955; the gradual modernisation of some old eccentric practices (the aforementioned Fourteen-Day Rule and the "Toddlers' Truce" closedown period in the early evening).