sentences:  Organised horse racing in Wales originated with the gentry and aristocracy, but by 1833 there were internationally recognised flat races at many locations around the country, including Cowbridge, Brecon and Wrexham.Steeplechasing began at Bangor-Is-Coed in the 1850s, and is still a racecourse to this day.The 20th century saw the Welsh working class embrace the sport, mainly due to the spread of off-course betting.