sentences:  The ident package was retained following the corporate rebrand of the BBC in 1997 with a new logo and new idents commissioned.They were taken out of service in November 2001, and were later revived on 21 June 2014 for 90's Night and in July 2014, to commemorate the 50th birthday of BBC Two.They replaced the 'Window on the World' idents and were broadcast until the early hours of 27 September 2018.