Treaty of Rouen (991)

The Treaty of Rouen was an agreement made between Æthelred II, king of the English and Richard I, Duke of Normandy. The treaty comes down to us in the form of a letter, written in the name of Pope John XV.[1] The agreement between the two rulers was completed on March 1 991 and is understood to be one of the earliest arbitration treaties in European history.[1]

This article is about the 991 treaty between Ethelred the Unready and Richard I, Duke of Normandy. For the 1517 treaty between France and Scotland, see Treaty of Rouen (1517).
Manuscript image of Richard I, Duke of Normandy.
Portrait of Æthelred II, king of the West Saxons

The treaty

The letter from Pope John XV has been translated into English by Dorothy Whitelock. It tells us that, having ‘been informed by many of the enmity between Ethelred, King of the West Saxons, and Richard the marquis [Duke of Normandy]’, Pope John XV had decided to send his legate, Bishop Leo of Trevi, to rectify this breakdown of relations.[2]

The bishop of Trevi arrived in England and presented the pope’s letter to Æthelred on Christmas Day, 990. After discussing the matter with ‘all the loyal men of his kingdom’, Æthelred agreed to make peace with Richard, and promised that this peace would last throughout all further generations of English rule.[2]

After his decision was made, Æthelred sent Æthelsige, bishop of Sherborne, Leofstan and Æthelnoth with the pope’s legate to Normandy. After Richard heard the pope’s warning and Æthelred’s declaration of peace, he also agreed to make peace with the English king and for this peace to remain in place for every generation that came after him.[2]

The terms of this peace agreement were as follows:[2]

if any of their people, or they themselves, were to commit any wrong against the other, it should be atoned for with a fitting compensation; and the peace should remain for ever unshaken, and confirmed by the mark of the oaths of both parties...And Richard is to receive none of the king’s men, or of his enemies, nor the king any of his, without their seal.[2]

Historical context

While the letter indicates that the pope had intervened in this matter due to hostilities between the English king and the Duke of Normandy, it is not clearly stated what had caused these troubles. This has led to historians contributing various arguments as to what the issue between these two rulers was.

The most popular beliefs is that Richard had been allowing vikings to make use of his ports. It is well known that, after a generation of peace, England had begun to suffer from viking attacks from the 980s onwards.[3] This new phase of raiding began within several months of Æthelred’s ascension to the throne, when he was around eleven years of age.[3] The historian Eric John believes that the end of the papal letter, which states that neither man should receive the enemies of the other, is clearly prohibiting the use of Norman ports as a viking base.[4] It is possible that the Normans were sympathetic towards the viking forces, as they were themselves of Scandinavian descent and many at the court were probably still bilingual.[5] In this case, it is likely that the pope decided to intervene in order to remind Richard that it was unacceptable to aid pagans who pose a threat to his fellow Christians.[4]

The historian Jenny Benham contested this theory, as much of the evidence which relates to vikings being given entry to Norman ports is written after this letter from Pope John XV.[1] In this case, it would be more likely that the treaty was prohibiting either side from harbouring domestic enemies, such as exiles.[1] There is evidence proving that people were exiled during the reign of Æthelred II; one example being the ealdorman of Mercia, Ælfric Cild, who was exiled in 985.[1][6] The fact that Æthelred came to be king due to the murder of his brother also gives reason to believe that he may have had political enemies within his own country.[1] Interestingly, the Anglo-Saxon Chronicle does not specifically place any viking forces in Normandy until the date 1000, stating ‘that summer the hostile fleet [the viking fleet] had gone to Richard’s kingdom’, challenging the assumption that Richard I was allowing viking raiders into his land.[7]  

Aftermath

The peace treaty between the two rulers was one of Æthelred’s most successful diplomatic policies.[8] This success was short lived however, as after the death of Richard I in 996 and the ultimate ascension of his son Richard II to the Duchy, relations between the two parties once again appear strained.[5] In the 1059s, William of Jumièges writes of an English attack in the Cotentin in Normandy, which likely occurred around 1002; not long after the Anglo-Saxon Chronicle tells us the viking fleet had arrived in Normandy.[5] The Normans receival of the vikings in 1000 was clearly a breach of the Treaty of Rouen, possibly due to Richard II not feeling compelled to honour his father’s agreements.[5] The attack on Normandy by the English in around 1002 was likely a response to this misdeed. In response to this breakdown of relations, negotiations were initiated once again between the English king and the new Duke of Normandy, which culminated in the marriage of the Duke’s sister Emma to Æthelred in 1002.[9]

References
  1. Benham, Jenny (2020). "The earliest arbitration treaty? A reassessment of the Anglo-Norman treaty of 991" (PDF). Historical Research. 93 (260): 189–204. doi:10.1093/hisres/htaa001.
  2. Whitelock, Dorothy (1979). English Historical Documents c. 500 - 1042 (2nd ed.). New York: Routledge. pp. 959–960. ISBN 0-203-43950-3.
  3. John, Eric (1977). "War and Society in the Tenth Century: The Maldon Campaign". Transactions of the Royal Historical Society. 27: 173–195. doi:10.2307/3679193. ISSN 0080-4401. JSTOR 3679193. S2CID 154459893.
  4. John, Eric (1977). "War and Society in the Tenth Century: The Maldon Campaign". Transactions of the Royal Historical Society. 27: 189. doi:10.2307/3679193. ISSN 0080-4401. JSTOR 3679193. S2CID 154459893.
  5. Roach, Levi (2016). Æthelred the Unready. London: Yale University Press. p. 187. ISBN 9780300225204.
  6. Roach, Levi (2016). Æthelred the Unready. London: Yale University Press. p. 117. ISBN 9780300225204.
  7. Swanton, Michael (2000). The Anglo-Saxon Chronicle (2nd ed.). London: Phoenix Press. p. 133. ISBN 978-1-8421-2003-3.
  8. John, Eric (1977). "War and Society in the Tenth Century: The Maldon Campaign". Transactions of the Royal Historical Society. 27: 190. doi:10.2307/3679193. ISSN 0080-4401. JSTOR 3679193. S2CID 154459893.
  9. Roach, Levi (2016). Æthelred the Unready. London: Yale University Press. p. 188. ISBN 9780300225204.
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