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The priory is reputed to have been founded about this time by Saint Aldhelm.
- 709
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Death of St. Aldhelm
- 786
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Vikings attack and enter Wareham.
- 800 or 802
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Saxon King Beothric was buried either in the nunnery or the adjacent minster, presumably he is still there. He was the last king of the West Saxons. His name may also be spelled Brictric or Brithric.
- 876
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Bishop Asser recorded a convent of nuns in the town.
Danish invaders sacked the town at this time and skeletons found just outside The Priory's walls are thought to be the remains of many of these nuns.
- About 900
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Alfreda, daughter of Alfred the Great rebuilt the nunnery.
- 978
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King Edward the Martyr was murdered at Corfe when about 16 years of age. His bones were kept at Wareham for two years. About this time the prioress was Wulfwynn, she was of Royal blood.
- 1015
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The Danes again sack Wareham and destroy the minster and nunnery.
- 1017 - 1035
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King Canute (Cnut). He rebuilt many ecclesiastical institutions, it appears that the priory was one of them.
- 1042 - 1066
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King Edward the Confessor. He granted the priory to the Norman Abbey of St. Wandrille. Monks replace nuns in the priory.
- 1066 - 1087
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King William the Conquerer. After the battle of Senlac Field (Hastings) he subdued many Saxon boroughs including Wareham destroying in the process about a third of the town including the properties of the Abbey of St. Wandrille.
- About 1100
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Robert de Beaumont, Count of Mellent (Later Earl of Leicester) built Wareham Castle and refounded the priory. He arranged the transfer of the priory to the Benedictine Abbey of Lire.
- 1160
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The Earl of Leicester made a grant of fishing rights to the priory.
- 1291
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The total income of the priory was listed as being £20 3/5d of which £12 2/9d was contributed by dependent chapels at Church Knowle, East Stoke, Shapwick, Wareham and Winfrith. The connections with French monasteries had long since been broken by war.
- 1337
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King Edward III confiscated the priory's lands. The prior was required to pay to the Royal Treasury £2 per year.
- 1387
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The priory had fallen on hard times. The Monday before Easter an inquisition was held in Wareham. The priory's properties were found to be worth, after all deductions and charges, about £10.
- 1398
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Ownership of The priory was transferred to the Carthusian monastery of Mount Grace in Yorkshire
- 1419
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King Henry V requires prior Walter Elton to transfer allegiance to his Carthusian foundation of Sheen in Middlesex.
- 1535
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The Dissolution of the Monasteries by King Henry VIII.
- 1536
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The priory closed. Its annual income was estimated at £43 16/8d. Some ruins of this building still remain.
- 1554
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The Priory was sold to the Reeves and Cotton families. Much of the existing building dates from this period when it was a farm house.
- 1643
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The siege of Corfe Castle (an hour's walk to SSW), from 23rd June until 4th August Lady Mary Bankes and a tiny garrison defied 600 Parliamentarians. The siege was raised by Prince Maurice for the King. Captain Lay and a small Roundhead force (thought to number about 200) attacked Wareham upriver from Poole. Battle was joined from Redcliffe to Wareham Quay, The Priory grounds must have seen action yet the house survived. Captain Lay captured the town, 200 prisoners and a large quantity of arms and ammunition.
- 1644
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April 12th, Wareham taken by the Royalists in a dawn raid. 6 officers, 150 men, 6 ordinance and 200 muskets captured. August 8th/10th Assault by 1200 Parliamentarian horse and foot, the outworks fell and the town surrendered.
- April 1646
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The second siege of Corfe Castle. Lady Mary again resisted the Parliamentarian forces for eight days until the castle fell through treachery. The castle was slighted.
- 1762
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The Fire of Wareham. Being on the edge of town and close to the river the structure of The Priory survived relatively unharmed whilst the main part of the town was entirely destroyed.
- 1850
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Sir William Pitt sold The Priory to the Earl of Eldon, Squire of Encombe
- 1900
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At this time The Priory was the home of Annie Beale who let apartments.
- 16th June 1976
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On the death of the owner, Mr. John Greenwood late vice-chairman of Boots the Chemist, The Priory was sold to the present owners who wished to open an hotel.