September – For the first time, a chart rundown is broadcast on the radio when the format of running through the charts of the week, playing the top tens from various music papers plus entries to top 20s, is introduced as part of Pick of the Pops.
1958
29 March – The first averaged BBC Top 20 is broadcast on Pick of the Pops.
24 September – Pick of the Pops is broadcast for the final time.
1 October – The first edition of a new Sunday teatime programme Solid Gold Sixty is broadcast on BBC Radio 1. Presented by Tom Browne, the programme consists of two hours featuring the Radio One playlist tracks which were not in the Top 20, followed by a one-hour Top 20 rundown from 6pm - 7pm, which was carried also on BBC Radio 2's FM transmitters.
1974
17 March – Solid Gold Sixty is broadcast on BBC Radio 1 for the final time. It is replaced the following week by a one-hour programme which just features the top 20.
1978
2 April – Simon Bates replaces Tom Browne as presenter of Radio 1's Sunday teatime chart rundown show.[2]
12 November – The Sunday teatime chart show is extended from a Top 20 countdown to a Top 40 countdown.
30 March – Following Richard Skinner's departure from Radio 1, Bruno Brookes began his first stint as the host of Radio 1's chart show.
1987
4 October – From this day, the new UK Singles Chart is released on BBC Radio 1's Sunday afternoon chart show. Previously, the programme had played songs from the chart which had been released the previous Tuesday.
6 January – For the first time, BBC Radio 1's Sunday chart show plays all 40 tracks and the show is renamed as The Complete Top 40.[3] This becomes possible due to an extension of the programme's duration – starting half an hour earlier at 4:30pm.
8 March – Tommy Vance presents this edition of Radio 1's Top 40 programme. This is also the final time that the Radio 1 chart show runs for 2 and a half hours.
15 March – Bruno Brookes begins his second stint as host of the UK Top 40 programme. The programme is extended once again and now airs from 4pm until 7pm, thereby allowing time for all 40 records to be played in full.[4]
12 September – The first broadcast of a classical music chart takes place as the newly launched Classic FM’s output includes a weekly chart show, and is broadcast on Saturday mornings and is presented by Paul Gambaccini.
1993
18 April – The Official 1 FM Album Chart show is broadcast for the first time. Presented by Lynn Parsons, the 60-minute programme is broadcast on Sunday evenings, straight after the Top 40 singles chart.
2 May – As part of its launch schedule, new national commercial station Virgin 1215 launches a weekly album chart show.
23 April – Following Bruno Brookes's departure from Radio 1, Mark Goodier begins his second stint as presenter of the Sunday afternoon Top 40 show.
1996
September – A rebranding of the commercial radio chart show sees it lose the Network Chart Show branding and is now called the ‘’Pepsi Chart’’.[5]
1997
31 August – Regular programming on the BBC's radio and television stations is abandoned to provide ongoing news coverage of the death of Diana, Princess of Wales. Consequently, for the first time, the top 40 show is not broadcast on a Sunday afternoon. The new chart is revealed in a special programme the following day.[6]
17 November – Mark Goodier presents the Top 40 for the final time on the 50th anniversary of the chart, and leaves the station due to falling audiences and BBC bosses considering him "too old for the job."[7][8]
29 December – The last edition of the Pepsi Chart Show is broadcast on commercial radio stations across the UK.
February – The A List launches on Heart, Real Radio and Century FM. Featuring adult contemporary music, the programme is presented by Melanie Sykes and Nick Snaith.
23 October –
Hit40UK is relaunched with a new presenter Lucio Buffone. The relaunch sees Emap resuming the broadcast of the weekly programme across their Big City Network of stations, having broadcast its own chart show for the past three years.
A new dance and urban chart, the Fresh 40, hosted by Dynamite MC, is introduced to commercial radio's dance and urban stations, such as those in the Galaxy Network and the Kiss Network.
23 December – The A List ends after less than two years. The chart, which had focussed on adult contemporary music, had been aired on Heart, Real Radio and Century FM.
2008
Galaxy 40 launches towards the end of the 2008 and is broadcast across the Galaxy Network,
2009
March – After less than three years on air, the final edition of Fresh 40 is aired. Also ending on this day is the short-lived Galaxy 40.
15 June – Commercial radio's chart show Hit40UK is relaunched as The Big Top 40 Show with Kat Shoob as the programme’s presenter.
10 March – The Official Chart Update is launched to give a midweek insight into the Official Singles Chart is shaping up.[10] and is broadcast as a 30 minute mid-afternoon programme on Wednesdays.
2012
26 February – The Top Ten countdown from The Official Chart is made available in vision for the first time through the station's website.[11]
10 July – The first Friday broadcast of BBC Radio 1's The Official Chart.[13] The programme is broadcast on Fridays as part of the drive time show, hosted by Greg James. The programme's airtime is almost halved, to just 1 hour 45 minutes with only the top 10 now being played in full
2018
10 June - Following the relaunch of Key 103 as Hits Radio Manchester, the station drops out of the Big Top 40 to instead carry a locally-produced programme - also taken by Hits Radio UK on digital platforms and Freeview - hosted by Sarah-Jane Crawford. Other local stations in the Hits Radio network continue to carry Big Top 40 for the remainder of the year.
30 December – Following a decision by Bauer Radio to stop broadcasting The Big Top 40 Show on their Hits Radio Network after the expiration of its contract at the end of 2018. Global, which produces the show, made the decision to withdraw the programme from syndication to the wider commercial radio network. The final show across the commercial radio network airs on 30 December 2018.
2019
6 January – The first edition of The Official Big Top 40 is aired. The programme is broadcast every Sunday from 4-7pm on Global's Capital and Heart networks and is presented by Will Manning. The withdrawal of the Big Top 40 from their stations leads Bauer Radio to roll out the UK Chart Show across the Hits Radio network, built on the Sunday afternoon show introduced on Hits Radio Manchester in 2018,[15] whilst Wireless Group begins its own weekly show across its FM network, the Total Access Top 40, hosted by Olivia Jones.[16]
14 July – The Official Chart: First Look launches on BBC Radio 1. Broadcast during the historic Sunday chart show slot, which is 6:00 - 7:00 pm, the show counts down the Top 20 biggest tracks from data collected on Friday and Saturday and is presented by Katie Thistleton and Cel Spellman.
21 December – The Classic FM Chart is broadcast for the final time. Classic FM had broadcasts a weekly chart show since the station's launch.
21 June – Wireless' Total Access Top 40 ceases and is replaced by Bauer's UK Chart Show on Pulse 1, Signal 1 and 96.4 The Wave, following Bauer's earlier acquisition of Wireless' local FM stations. The other stations formerly owned by Wireless drop the Total Access Top 40 as part of their transition to Greatest Hits Radio.[17]
February – Pirate FM and Lincs FM, having been purchased by Bauer in 2019, begin taking the UK Chart Show, replacing locally-originated programmes in the Sunday afternoon slot. The stations continue to run largely independently of the Hits Radio network at other times.[18]
26 November – Craig Kingham, a producer on The Big Top 40 and its predecessors, produces his final edition of the programme, after almost 24 years and 1,200 number one singles.[20]
2024
Lauren Layfield and Shanequa Paris become presenters of The Official Chart: First Look, replacing Vick Hope and Katie Thistleton.[21]
^"... Radio 1 denied he has been fired because of falling listener figures, saying his contract is coming to an end.""DJ Goodier leaves Radio 1". Entertainment News. BBC News. 15 August 2002. Retrieved 18 May 2009.
^"... station bosses want to replace him with someone younger, who will be more in tune with its target audience of 15 to 24-year-olds." Day, Julia (15 August 2002). "Countdown begins for Goodier's departure". Media Guardian. Guardian News and Media. Retrieved 18 May 2009.
