St Mungo's Line England and Wales

1.  The ruins of Din Lligwy on the outskirts of Moelfre are the remains of an ancient fortified homestead which was abandoned about 1,600 years ago. Covering an area of about half an acre,
The round buildings are typically Iron Age dwellings by design and one of the rectangular buildings was a workshop used for smelting iron and iron working. It is known to have been occupied by the Romans,
Their are few places in the country where history can be traced over 4000 years in such a small area yet around Moelfre can be found a 12th century chapel at Lligwy, a 5th century Romano-British village, the "Cromlech" - a burial chamber dating to 3000 BC, along with old churches, schools, chapels and the Royal Charter monument.


2.  Anglesey is known as the “Mother of Wales”: it is considered to be its centre, though geographically, it is anything but. Anglesey, in Gaelic “Ynys Mon”, is derived from the Roman Mona – hence the name Menai Strait for the stretch of water that separates it from mainland Britain. Its name in Celtic times, before the Roman invasion, is not known. 
Some have argued that it possibly might have been Avalon, a name well-known in Grail mythology. Avalon itself is derived from the ancient Welsh name Afallach, which means “rich in apples” – to which needs to be added that in Roman times, Anglesey was indeed known for its apple production. Geoffrey of Monmouth, one of the best-known chroniclers of Britain’s history, called the island Insule Ponorum, “the island of the apples” – suggesting it does qualify for the name Avalon. 

3.  Llanllawddog is the site of an anchient pre- Roman burial ground in the form of " round barrow " structure. Known as Crug-y-rhud-hir in ancient Welsh.

4.  The church in the hamlet is dedicated to St. Germanus, the fighting bishop who  landed in the neighbourhood when he came to Britain to suppress the Pelagian heresy in 400 A.D. It is all built of rough slate: the present stone building was consecrated in 1259.


The leading Pelagian in Britain was a bishop named Agricola, and it was he who argued for that side in the public debate which was held in Verulamium (present-day St. Albans) in front of a huge crowd of spectators.

The day was carried by the debating skill and the rhetorical arts employed by the Gallic bishops. After the debate, Germanus' attention is turned, by circumstances, to secular matters, when an invasion threat came from the Irish to the west.

With the main weight of British and Saxon forces deployed against Pictish invasion from the north, few experienced commanders were available to deal with this new aggressor. Germanus was asked to bless the force which was to be sent out to fight the Irish. The bishop, who had been a military commander before he took religious orders, offered himself as the leader of the army. Germanus deployed his troops around the walls of a valley, now called Maes Garmon about 1 mile NW of the town of Mold in Flintshire, northeast Wales, and lay in ambush, waiting for the enemy. At Germanus' signal, the troops all shouted "Hallelujah" in unison, and the sound frightened the Irish into a panicked retreat. An account of the event (Constantius' "Life of St. Germanus") says:
"...and the great cry rebounded, shut in by the surrounding hills. The enemy column was terrified; the very frame of heaven and the rocks around seemed to threaten them...they fled in all directions"
This battle has come to be known as the "Hallelujah Victory".