It started with a sing-song arsenic it truthful often does successful Wales and portion of its bequest is the operation 'what's occurring?' and the world's astir celebrated doctor.
But the BBC successful Wales hasn't conscionable fixed america shows similar Gavin and Stacey and Doctor Who, it's covered the astir important events successful the country's history.
As Monday marks the 100th day of the BBC's archetypal broadcast successful Wales, I've looked successful the archives to find its astir important moments since 1923.
National Eisteddfod - since 1924
When baritone Mostyn Thomas sang accepted Welsh connection people opus Dafydd y Garreg Wen connected the evening of the BBC's archetypal broadcast from Wales connected 13 February, 1923, it signalled the commencement of celebrating Welsh civilization connected the airwaves.
Back then, Cardiff's 5WA was the lone BBC vigor presumption successful Wales and it was wherever The Royal National Eisteddfod of Wales was archetypal broadcast connected the BBC connected 3 August, 1924.
Now the National Eisteddfod is the BBC's 3rd biggest extracurricular broadcast down Wimbledon and Glastonbury with sum successful some Welsh and English languages.
Tryweryn Dam - 28 October, 1965
The damming of the River Tryweryn and flooding the Snowdonia colony of Capel Celyn to make a reservoir to supply an English metropolis with h2o is among the astir arguable moments successful modern Wales.
The reservoir for the past Liverpool Corporation was agreed successful a measure passed by parliament - though not a azygous Welsh MP voted successful favour. The metropolis of Liverpool has since apologised for the "hurt" and "insensitivity" caused.
The creation of Llyn Celyn is wide seen arsenic a catalyst for a increasing devolution movement. The dam was bombed during its construction successful February 1963.
The twelvemonth aft it opened, the man that spearheaded the run to halt Tryweryn became Plaid Cymru's archetypal MP.
Severn Bridge - 8 September 1966
Once upon a time, a travel from southbound Wales to London - oregon adjacent Bristol - would instrumentality motorists each day. But with the cutting of a ribbon by The Queen successful 1966, that travel clip was slashed arsenic the archetypal Severn Bridge opened southbound Wales up similar ne'er before.
The Severn Bridge was besides portion of Wales' archetypal agelong of motorway, making southbound Wales a amended connected portion for day-trippers, businesses and commuters alike.
Aberfan catastrophe - 21 October 1966
It was 1 of the darkest days successful Wales' past when, aft weeks of torrential rain, 144 radical - 116 of them children - died aft a coal extremity slid down onto Aberfan successful the southbound Wales valleys.
Pupils had arrived for their last time earlier the October half-term conscionable a fewer minutes earlier coal extremity fig seven engulfed Pantglas Junior School, arsenic good arsenic houses successful that portion of the village.
Prince Charles' investiture - 1 July 1969
He was conscionable 20 years of property erstwhile the young Prince Charles was formally invested arsenic the Prince of Wales astatine a lavish lawsuit astatine Caernarfon Castle.
The six-hour broadcast was watched by a TV assemblage of 500 cardinal radical astir the world.
The Prince of Wales rubric and investiture polarised sentiment successful Wales. The lawsuit was conducted against a backdrop of protests - and adjacent bombings.
Gareth Edwards' effort - 27 January 1973
Few things are much synonymous with Wales than rugby, and portion determination are galore large Welsh rugby wins implicit the years, the top infinitesimal has to beryllium THAT effort from Gareth Edwards.
Edwards was playing successful Cardiff but for the Barbarians, not Wales, against the mighty All Blacks successful January 50 years agone when.... well, click the video supra and ticker for yourselves.
Miners' Strike - 1984-85
The concern enactment started successful March 1984 arsenic miners from Wales joined those from crossed the UK successful picketing pits successful an effort to halt the National Coal Board and Prime Minister Margaret Thatcher's Tory authorities shutting mines that were becoming little profitable.
The mines were the income of hundreds of Welsh families and the onslaught lasted a year, but yet saw the diminution of the industry.
Fireman Sam - 17 November 1987
Pontypandy's astir celebrated nonmigratory really heard his occurrence doorbell chime connected Welsh connection TV archetypal arsenic Sam Tan. But a fewer weeks later, Sam became the leader adjacent doorway connected the BBC excessively - and soon became a worldwide hit.
Fireman Sam - the cartoon of prime to a definite heir to the throne, Prince George - is Wales' biggest children's TV export, broadcast successful 155 countries crossed the satellite successful 36 languages.
Sea Empress - 15 February 1996
The numbers were staggering erstwhile a 147,000 tonne tanker spewed 72,000 tonnes of lipid implicit 120 miles (193km) of coastline erstwhile it ran aground connected rocks successful westbound Wales.
The Sea Empress was connected its mode to an lipid refinery adjacent Pembroke erstwhile catastrophe struck - and spilled crude lipid onto the UK's lone coastal nationalist park.
Welsh devolution - May 1999
"Good morning, and it is simply a precise bully greeting successful Wales" is what the past Welsh caput Ron Davies said erstwhile Wales voted to person its ain government, successful what was described arsenic "one of the astir important days successful the past of our country".
Alun Michael led the archetypal number Labour medication erstwhile the assembly met for the archetypal clip successful Cardiff Bay successful 1999, weeks earlier The Queen and Prince of Wales officially opened the caller administration.
FA Cup last - 12 May 2001
Playing English football's showpiece juncture extracurricular of England for the archetypal clip portion Wembley Stadium was rebuilt initially caused controversy.
But fans soon grew to emotion FA Cup finals being played successful Cardiff arsenic the Welsh superior was beamed crossed the globe.
Doctor Who - 26 March 2005
Doctor Who was a subject fabrication cult TV classical backmost successful the day, but it exploded into a planetary improvement erstwhile it got a reboot by BBC Wales and renowned Welsh screenwriter Russell T Davies successful 2005.
It became the centrepiece of BBC One's Saturday docket and attracts a planetary assemblage of 100 cardinal radical crossed 65 countries.
Gavin and Stacey - 13 May 2007
It's the deed BBC sitcom that has proved to beryllium 1 of the UK's biggest and best of the 21st Century - and it is filmed astir the seaside municipality of Barry.
Gavin and Stacey is the drama that coined a big of catchphrases similar Nessa's "tidy" and 'Oh, what's occurring?' - and its comeback Christmas peculiar successful 2019 was watched by much than a 4th of the UK's population.