<P> With the withdrawal of the Roman forces, the area fell under the control of the early medieval Kingdom of Gwynedd . Under this feudal system, the residents worked small farms for the king . The rural nature of the settlement meant that the village had a population of only around 80 in 1563 . </P> <P> With the introduction of estates in the 16th century, much of the land was absorbed into the Earldom of Uxbridge, which later became the Marquisate of Anglesey; the inhabitants became tenant farmers on enclosures . In 1844, for example, 92% of the land in Llanfairpwll was owned by just three individuals . The population of the village boomed, with a population of 385 in the 1801 census and 83 houses, most of them in the old village (Pentre Uchaf, Upper Village). </P> <P> In 1826, Anglesey was connected to the rest of Wales by the construction of the Menai Suspension Bridge by Thomas Telford, and connected with London in 1850 with the building of the Britannia Bridge and the busy North Wales Coast railway line, which connected the rest of Great Britain to the ferry port of Holyhead . The village decentralised, splitting into Upper Village (Pentre Uchaf), which was made up mainly of the older houses and farms, and the new Lower Village (Pentre Isaf), built around the railway station and consisting mostly of shops and workshops . The village became a hub of commerce, as the railways and road network brought traders and customers from across north Wales . </P> <P> The first ever meeting of the Women's Institute took place in Llanfairpwll in 1915, and the movement (which began in Canada) then spread through the rest of the British Isles . </P>

How to pronounce the longest place name in wales