1108 The Church of the Holy Trinity, Aldgate, is founded by Queen Maud. 1109 Around this time, Henry I establishes a town around the crossroads.1112-15 The first performance of a miracle play in England is given at Geoffrey de Gorham's school in Dunstable at around this time.

1131 King Henry grants the first Charter to the town.

1132 King Henry spends Christmas at his palace at Dunstable.

The signature of Bernard, Dunstable's first Prior, appears this year on a document at Aldgate monastery, which looked upon Dunstable as its daughter foundation.

1130 A payment of one penny a day is authorised for a steward to look after the house (royal residence) when the King is not here.

044 The beginning of Roman Dunstable (Durocobrivis).

Around this period, construction of the Roman road, now known as Watling Street, would have taken place.1206 The priors lose their lands at Houghton and Dunstable gives 100 marks to the king plus a gift to the sheriff. 1208 The Priory of St Peter starts a hospital of St Mary Magdalene for lepers on the east side of South Street on the town boundary, which was the town side of the present Half Moon Lane.The canons build an almonry (for the distribution of alms).1217 Itinerant justices come to Dunstable and take the people's oath of allegiance to Henry III. The prior enforces his claims of tithe of hay against many parishioners.The English barons with Louis, Dauphin of France, in arms against the king, halt for a night in Dunstable after their defeat at Lincoln, and badly damage the church. Robert, Bishop of Lismore, and Hugh, Bishop of Lincoln, at Dunstable.1222 One of the two towers at the Priory is blown down in a great storm.