Anglesey Central Railway Amlwch. The railways arrived on Anglesey with the construction of the Chester and Holyhead Railway, of which the section from Llanfairpwll to Holyhead opened in 1848, two years before the Britannia Bridge was finished. The Chester and Holyhead railway surveyed a branch to Llangefni in 1852, but chose not to proceed. George Stephenson notably reported that the line was not worth building. The idea of a local railway was still of interest to the people of Anglesey. A public meeting was held in Llangefni on 5 July 1858, to popularise the idea of building a railway leaving the main line
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