John Logie Baird successfully transmits television pictures across the Atlantic

John Logie Baird transmits colour television images using a 15-line system

John Logie Baird demonstrates stereoscopic (3D) television

John Logie Baird demonstrates colour television and transmits television pictures across the Atlantic.

John Logie Baird transmits television from a BBC transmitter in London

First television broadcasting trials by BBC, using John Logie Baird's 30-line equipment

John Logie Baird begins regular experimental 30-line television transmissions. Sound and vision are transmitted alternately for 2 minutes each

Start of simultaneous sound and vision 30-line television transmissions

First experimental television play, The Man With a Flower in His Mouth

First television outside broadcast - John Logie Baird televises the Derby

First broadcast from Broadcasting House, London.

BBC starts an experimental TV service using John Logie Baird's 30-line system

Marconi-EMI demonstrates an all-electronic television camera, the Emitron

The government recommends BBC tests a public TV service using the John Logie Baird 240-line and Marconi-EMI 405-line systems over alternate weeks

In line with the recommendation of the Television Committee chaired by Lord Selsdon (published the following day), postmaster general announces that BBC will begin trialling a television service in London, alternating between two different systems, the 240-line Baird system, and the 450-line Marconi-EMI system.

Writer and director Dennis Potter born in Berry Hill, Gloucestershire (d.1994)