Timeline of the BBC Television Service
This is a timeline of the history of the BBC Television Service, from events preceding its launch in 1936 until its renaming as BBC1 in 1964 upon the launch of BBC2. == 1920s == 1929 November – The BBC and John Logie Baird begin daily experimental broadcasting of 30-line television transmissions using the BBC's 2LO transmitter.
Source: Wikipedia — Timeline of the BBC Television Service (CC BY-SA 4.0)