Siege of Alcácer do Sal

Siege of Alcácer do Sal
Part of the Fifth Crusade and the Reconquista
Battlements of the castle of Alcácer do Sal
Date 30 July – 18 October 1217 Location Qaṣr Abī Dānis, al-Gharb 38°22′21″N 8°30′49″W / 38.37250°N 8.51361°W / 38.37250; -8.51361 Result Portuguese–crusader victory
Belligerents
Kingdom of Portugal Crusaders from northern Europe	Almohad Caliphate
Commanders and leaders
Soeiro II of Lisbon William I of Holland	ʿAbdallāh ibn Wazīr

The siege of Alcácer do Sal lasted from 30 July to 18 October 1217. The well fortified city of Alcácer do Sal was a frontier outpost of the Almohad Caliphate facing Portugal. It was besieged by forces from Portugal, León, the military orders and the Fifth Crusade. The latter were led by Count William I of Holland. The expedition was the brainchild of Bishop Soeiro II of Lisbon, whose diocese was threatened by regular raids from Alcácer. King Afonso II of Portugal did not take part in person, but the city was incorporated into his kingdom after its capitulation. The crusaders who took part in the siege, mainly from the Rhineland and the Low Countries, did so without papal authorization and were afterwards ordered to continue on to the Holy Land.

Sources

There are two Latin eyewitness accounts of the siege. The anonymous Gesta crucigerorum Rhenanorum is written from the perspective of the German crusaders.^[1] The Carmen de expugnatione Salaciae was written by Goswin of Bossut, a priest from the Duchy of Brabant, for Bishop Soeiro.^[2]

The De itinere Frisonum is a contemporary record of the Frisian crusaders who sailed with the Germans to Portugal but did not partake in the siege of Alcácer. It was incorporated into the chronicle of Emo of Friesland.^[3] A contemporary account of the Fifth Crusade by Oliver of Paderborn includes some information on the Alcácer expedition.^[4]

There are three letters sent in the immediate aftermath of victory that are an important source for the siege. One was sent by Count William to Pope Honorius III; one was sent by the clergy to Honorius; and one is Honorius's reply. These letters are kept in the Vatican Apostolic Archive.^[5][6]

The siege is briefly recounted by Roger of Wendover.^[7]

The major sources from the Muslim side are in Arabic. They include the Rawḍ al-Qirṭās and al-Ḥimyarī's Rawḍ al-Miʿṭār.^[8]

Background

In the late 9th century, Alcácer do Sal (Qaṣr Abī Dānis in Arabic) was constructed at the mouth of the Sado by the Umayyads as a fortress against the Vikings.^[9] In 1108, it was attacked by the Norwegian Crusade, but remained in Muslim hands.^[10] After the conquest of Lisbon with the help of soldiers of the Second Crusade in 1147, Alcácer lay on the Almohad–Portuguese frontier. King Afonso I launched failed attacks on Alcácer in 1147, 1151 and 1157.^[11] In 1158, he besieged and captured the town.^[12] In 1191, the Almohads besieged and recaptured it.^[9][13]

According to Ibn al-Abbār, after its recapture the city was renamed Qaṣr al-Fatḥ ('castle of victory'). It may have been declared a ribāṭ, a frontier post with special privileges. This may be why the Portuguese clergy, in their letter to the pope, assigned the city religious importance.^[14] The governor of Alcácer in 1217 was ʿAbdallāh ibn Muḥammad ibn Sidray ibn ʿAbd al-Wahhāb Wazīr al-Qaysī, who had succeeded his father in 1212.^[15] He launched regular raids by land and sea against Portugal. According to the Carmen, he was able to remit an annual tribute of 100 Christian captives to the Almohad caliph in Morocco.^[16]

Preparations

At the Fourth Lateran Council in 1215, Bishop Soeiro II of Lisbon asked Pope Innocent III for permission to employ crusaders in a planned Portuguese offensive against the Almohads, but the pope refused. Fighting in Portugal would be contrary to crusaders' vows.^[17] Despite this papal prohibition, there is evidence that northern crusaders expected that to participate in warfare in Portugal, as previous groups of crusaders had done at the siege of Lisbon during the Second Crusade (1147) and the siege of Silves during the Third Crusade (1189). Soeiro preached the cross in his diocese in preparation for the expected campaign.^[18]

On 29 May 1217, a fleet of almost 300 ships sailed from Vlaardingen. It contained an army of crusaders recruited mainly from the Rhineland and Frisia.^[19] The leaders of the expedition were Count George of Wied and Count William I of Holland, although there is some confusion regarding their exact status.^[20] According to the De itinere, George was the original commander-in-chief and William in charge of the rearguard of the fleet.^[19][21] According to the Gesta, which mentions both counts, William was elected sole leader at Dartmouth when the crusaders "decided under him on laws and new rules concerning the observance of peace."^[22]

Following an incident off Brittany, there was a change in leadership.^[21] A ship from Monheim was lost on rocks and the rest of the fleet sheltered in Saint-Mathieu.^[23] William was placed in overall command with George as his lieutenant.^[20] This suggests that George was blamed for the loss.^[21] The fleet arrived in Lisbon on 10 July, where it was met by Bishops Soeiro II of Lisbon and Soeiro II of Évora, as well as by the local leaders of the Templars, Hospitallers and the Order of Santiago.^[19]

The bishop of Lisbon tried to persuade the crusaders to help him attack Alcácer do Sal. The Frisians refused. With about a third of the fleet, they took on supplies and went on their way. The remaining two thirds of the fleet under the counts agreed to cooperate in the attack. A Portuguese army of 20,000 was rapidly raised. The army marched overland to rendezvous with the fleet, which left Lisbon at the end of July and sailed up the Sado.^[18] The bishop of Lisbon was with the army, as was Pedro, abbot of Alcobaça.^[24]

King Afonso II may have played a role in preparations, but he did not participate in the attack on Alcácer.^[20][25]

Siege

The Almohads prepared for the coming siege by destroying all the trees in the immediate vicinity so that they could not be used as fuel for fire or as building material for siege engines.^[24] The siege began on 30 July. The besiegers attacked with towers, catapults and mines.^[26] The crusaders cannibalized eight of their ships to make siege engines.^[24] The Carmen describes poetically how the attackers attempted to fill in the moat with fig and olive trees, but the defenders set the infill on fire.^[27]

According to the Rawḍ al-Qirṭās, the Caliph Yūsuf II ordered the governors of Córdoba, Jaén, Seville and other places in the Gharb al-Andalus to raise a relief army.^[8] The clergy's letter to Honorius confirms the presence of the army of Badajoz as well.^[28][29][30] On 8 September, the relief armies arrived in the vicinity of Alcácer. The author of the Gesta estimated the size of the relief force at 100,000 men. In response, the besiegers dug a defensive ditch around their position. They were reinforced by the arrival of 32 more ships, but were still outnumbered and short of horses.^[26]

As the Muslim relief army arrived, Christian reinforcements, raised by several Portuguese and Leonese barons, were on the march. They included contingents of Hospitallers, Templars and the Order of Santiago. The Templars were led by Pedro Álvarez de Alvito, master of the order in Spain; the knights of Santiago by Martim Barregão, commander of Palmela; and the Hospitallers by the prior of Portugal.^[31] The timely arrival of this army was later claimed as a miracle by the clergy in their letter to the pope.^[32] In addition, Caesarius of Heisterbach reports that an eyewitness told him how "the galleys which [the Saracens] had brought over the sea against the Christians were put to flight by the terror of [a] celestial vision" of "a whiteclad host, wearing red crosses upon the breast."^[33]

On 11 September, the two armies met in battle outside Santa Catarina on the banks of the Sítimos. The Christians were victorious.^[31] The Rawḍ al-Miʿṭār reports that the Almohad army became terrified upon sighting a force of 70 knights. The Rawḍ al-Qirṭās blames this on the memory of the battle of Las Navas de Tolosa in 1212. Many turned and fled, while the Christians pursued them "until killing them all". This is an exaggeration, since the Rawḍ al-Miʿṭār mentions prisoners.^[8]

The defeat of the army in the field convinced the defenders in the fortress that victory was impossible.^[8] On 18 October, the city surrendered.^[31] Pope Honorius credited the victory to two siege towers.^[24] Most of the defenders were taken captive.^[31] The governor, ʿAbdallāh ibn Wazīr, accepted baptism.^[15] The city was handed over to the Order of Santiago.^[31]

Aftermath

After the victory, the bishops of Lisbon and Évora and the leaders of the three orders who were present wrote to Honorius III with three requests: that the pope order the crusaders to remain in Portugal for one year for mopping up operations; that the crusade indulgence be extended to those who took part and to those who would take part in Portuguese operations in the future; and that the Iberian proceeds of the tax of a twentieth (vicesima) levied on ecclesiastical incomes by Innocent III in the bull Ad liberandum (1215) for the Holy Land be set aside for operations in Iberia. These requests were based on the proviso in the bull Quia maior (1213) that "if perchance it were needed, we [the pope] would take care to give our attention to any serious situation that arises."^[6] The clergy also reported to Honorius three miracles that vindicated the operation: the timely arrival of the reinforcements and the appearance in the sky of a cross and a heavenly army.^[32] These three miracles are also mentioned in the Carmen and in the Chronica regia Coloniensis.^[33]

At the same time, William of Holland wrote to the pope to ask whether he should continue to lead his army to the Holy Land or remain to fight in Portugal.^[34] Honorius was unpersuaded by either appeal. He did not extend the indulgence to the Portuguese campaign and ordered the crusaders to continue onwards to the Holy Land.^[35] An exception was made for any impoverished crusaders and for those who had been on the eight ships used to make siege engines. These two groups were absolved from their vows.^[24] Honorius did acknowledge the triumph at Alcácer do Sal when, on 11 January 1218, he reissued the bull Manifestis probatum confirming the independence of Portugal, wherein he attributed the victory to Afonso II.^[36]

In January 1218, Afonso II formally placed Alcácer under the command of Martim Barregão, whose son-in-law, Gonçalo Mendes de Sousa [pt], was Afonso's majordomo. The city was placed under the ecclesiastical jurisdiction of the diocese of Évora.^[37] It was never again captured by Muslims, but its importance declined in relation to Setúbal.^[9]

Notes

1. Villegas-Aristizábal 2019, p. 4. Translation in Bird, Peters & Powell 2013, pp. 154–158.
2. Wilson 2021, p. 74, with an edition and translation at 141–152.
3. Villegas-Aristizábal 2019, pp. 3–4.
4. Villegas-Aristizábal 2019, pp. 4–5.
5. Villegas-Aristizábal 2019, p. 5.
6. Wilson 2021, pp. 88–89.
7. Wilson 2021, p. 90 n67.
8. Roser Nebot 2018, pp. 257–258.
9. Picard 2004.
10. Lay 2009, p. 46.
11. Lay 2009, pp. 112–113.
12. Lay 2009, p. 127.
13. Lay 2009, p. 159.
14. Villegas-Aristizábal 2019, p. 12.
15. Khawli 1997, pp. 111–112.
16. Wilson 2021, p. 79.
17. Wilson 2021, pp. 80–81.
18. Wilson 2021, p. 87.
19. Wilson 2021, pp. 86–87.
20. Villegas-Aristizábal 2019, p. 10.
21. Villegas-Aristizábal 2019, pp. 84–85.
22. Bird, Peters & Powell 2013, p. 155, and Villegas-Aristizábal 2019, pp. 84–85, but Powell 1986, p. 123, has George replacing William as leader at Dartmouth, with the latter demoted to the rearguard.
23. Bird, Peters & Powell 2013, p. 155.
24. Wilson 2021, p. 133.
25. Lay 2009, p. 220.
26. Wilson 2021, pp. 87–88.
27. Wilson 2021, p. 149.
28. Claverie 2013, p. 255.
29. Villegas-Aristizábal 2019, p. 13.
30. Wilson 2021, p. 88, mentions Jerez.
31. Wilson 2021, p. 88.
32. Wilson 2021, p. 90.
33. Wilson 2021, pp. 118–119.
34. Wilson 2021, p. 89.
35. Wilson 2021, p. 92.
36. Wilson 2021, pp. 93–94.
37. Wilson 2021, p. 94.

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