BBC Television renamed BBC1 in 1964, after the launch of BBC2 (now BBC Two), the third television station (ITV was the second) for the UK; its remit, to provide more niche programming. The channel was due to launch on 20 April 1964, but was put off the air by a massive power failure that affected much of London, caused by a fire at Battersea Power Station. A videotape made on the opening night was rediscovered in 2003 by a BBC technician. In the end the launch went ahead the following night, hosted by Denis Tuohy holding a candle. BBC2 was the first
BBC Two to the channel following the success of the first series. BBC Two is also used as a testing ground for programmes prior to their moving to the flagship BBC One: such examples include "Have I Got News for You" and popular comedies "Absolutely Fabulous" and "Miranda", which moved to BBC One after success on Two. Also in August 2014 "The Great British Bake Off" moved to BBC One due to its success the previous year on BBC Two. Another founding part of BBC Two was to provide educational and community programming on the BBC, as part of its public service