Anglesey oldest being the Tivyside Hunt in Cardiganshire). Every September the Anglesey Festival of Running takes place. There is a marathon, half-marathon, 10 km and 5 km race, as well as children's contests. Their slogan is "Run the Island". The Anglesey Circuit (Welsh: Trac Môn) is a fully licensed MSA and ACU championship racing circuit, it opened in 1997. The Beaumaris Cricket Club was formed in 1858. Clubs at Holyhead, Amlwch and Llangefni were formed within the following decade, but it was not until the 1880s that the sport became popular outside the upper classes. Bodedern Cricket Club was formed in
Port of Holyhead trade war with the newly established Republic of Ireland had an adverse effect on the level of use of the port, which caused widespread unemployment in the town of Holyhead. During the Second World War, however, the Royal Dutch Navy began using the port as a base. In June 1939, the Royal Navy submarine "HMS Thetis" sank during sea trials in Liverpool Bay and it was subsequently brought to the harbour at Holyhead after being beached at Traeth Bychan. It remained at Holyhead in dry dock while the contents were removed; fourteen of the 99 victims were buried locally. A