Just after midnight on 17 April 1967, 2UE announcer Ormsby Wilkins created Australian radio history, reportedly being the first to receive callers live to air.

This is an excerpt of a radio broadcast on the day Dame Edna Everage cheerfully took over the airwaves on Dean Banks' morning show on station 2CC on 23 February 1984.

Tim Bowden talks about how the introduction of TV in Australia in 1956 affected radio.

Barry Jones introduces his 3DB show and discusses road rules with a caller on the second day of legal talkback radio in Australia, 18 April 1967.

A caller offers a carpet square for sale on 3DB's Tradio, a buy, swap and tell talkback program hosted by John Anderson.

A caller voices concern about the 'barefooted youth of today' on 3DB's Talk it Over with Pat Jarrett, journalist and broadcaster and guest Hilma Cranley, schoolteacher and unionist.

Did you know that until 17 April 1967, talkback radio was illegal in Australia?

Poster advertising Ormsby Wilkins’ Open Line program on Sydney’s 2UE, c.1967.

Advertisement for Malcolm Searle’s program on 3AK, published on Melbourne's The Age, 23 April 1964