6 dated entries naming St Albans Cathedral, drawn from 6 separate years between 793 CE and 1539 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.
Also written as St Albans Abbey in the source articles; Wikipedia redirects those to the same subject, so their entries are on this page.
793King Offa of Mercia founds an abbey at St Albans.source
795King Offa of Mercia receives diplomatic gifts from Charlemagne. He re-founds St. Albans Abbey, supposedly in thanks for overrunning East Anglia (approximate date).source
10th century
948St Albans School in Hertfordshire is founded by Wulsin, an abbot of St Alban's Abbey, England.source
11th century
1077Paul of Caen is installed as abbot of St. Albans in England. He commences the building of St. Albans Abbey Church.source
13th century
1236May 6 – Roger of Wendover, English Benedictine monk and chronicler, dies at St Albans Abbey. His chronicle is continued by Matthew Paris.source
16th century
1539Beaulieu Abbey, Bolton Abbey, Colchester Abbey, Newstead Abbey, St Albans Abbey, St Mary's Abbey, York and Hartland Abbey (the last) fall prey to the Dissolution of the monasteries in England.source