The Treaty of Guînes (, ) was a draft settlement to end the
Hundred Years' War
The Hundred Years' War (; 1337–1453) was a conflict between the kingdoms of Kingdom of England, England and Kingdom of France, France and a civil war in France during the Late Middle Ages. It emerged from feudal disputes over the Duchy ...
, negotiated between
England
England is a Countries of the United Kingdom, country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and List of islands of England, more than 100 smaller adjacent islands. It ...
and
France
France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
and signed at
Guînes
Guînes (; ; ) is a commune in the northern French department of Pas-de-Calais. Historically, it was spelt ''Guisnes''.
On 7 January 1785, Jean-Pierre Blanchard, a French pioneer in hydrogen-balloon flight, completed the first aerial crossi ...
on 6 April 1354. The war had broken out in 1337 and was further aggravated in 1340 when the English king,
Edward III
Edward III (13 November 1312 – 21 June 1377), also known as Edward of Windsor before his accession, was King of England from January 1327 until his death in 1377. He is noted for his military success and for restoring royal authority after t ...
, claimed the French throne. The war went badly for France: the French army was heavily defeated at the
Battle of Crécy
The Battle of Crécy took place on 26 August 1346 in northern France between a French army commanded by King PhilipVI and an English army led by King Edward III. The French attacked the English while they were traversing northern France ...
, and the French town of
Calais
Calais ( , , traditionally , ) is a French port city in the Pas-de-Calais department, of which it is a subprefecture. Calais is the largest city in Pas-de-Calais. The population of the city proper is 67,544; that of the urban area is 144,6 ...
was
besieged and captured. With both sides exhausted, a
truce
A ceasefire (also known as a truce), also spelled cease-fire (the antonym of 'open fire'), is a stoppage of a war in which each side agrees with the other to suspend aggressive actions often due to mediation by a third party. Ceasefires may b ...
was agreed that, despite being only fitfully observed, was repeatedly renewed.
When English adventurers seized the strategically located town of Guînes in 1352, full-scale fighting broke out again. This did not go well for the French, as money and enthusiasm for the war ran out and state institutions ceased to function. Encouraged by the new pope,
Innocent VI, negotiations for a permanent peace
treaty
A treaty is a formal, legally binding written agreement between sovereign states and/or international organizations that is governed by international law. A treaty may also be known as an international agreement, protocol, covenant, convention ...
opened at Guînes in early March 1353. These broke down, although a truce was again agreed and again not fully observed by either side. In early 1354 a faction in favour of peace with England gained influence in the
French king's council. Negotiations were reopened and the English
emissaries suggested that Edward would abandon his claim to the French throne in exchange for French territory. This was rapidly agreed and a draft treaty was formally signed on 6 April.
The treaty was supposed to be
ratified
Ratification is a principal's legal confirmation of an act of its agent. In international law, ratification is the process by which a state declares its consent to be bound to a treaty. In the case of bilateral treaties, ratification is usuall ...
by each country and announced by Innocent in October at the
papal palace Palace of the Popes may refer to:
* Apostolic Palace, Vatican City State – the pope's residence since the return from Avignon in 1377
* ''Domus Sanctae Marthae'', Vatican City – also known as Saint Martha's House, the Vatican hotel where Pope ...
in
Avignon
Avignon (, , ; or , ; ) is the Prefectures in France, prefecture of the Vaucluse department in the Provence-Alpes-Côte d'Azur region of southeastern France. Located on the left bank of the river Rhône, the Communes of France, commune had a ...
. By then the French king,
John II, had a new council that turned entirely against the treaty and John had decided that another round of warfare might leave him in a better negotiating position. The draft treaty was acrimoniously repudiated and war broke out again in June 1355. In 1356, the French royal army was defeated at the
Battle of Poitiers
The Battle of Poitiers was fought on 19September 1356 between a Kingdom of France, French army commanded by King John II of France, King JohnII and an Kingdom of England, Anglo-Gascony, Gascon force under Edward the Black Prince, Edward, the ...
and John was captured. In 1360, both sides agreed to the
Treaty of Brétigny
A treaty is a formal, legally binding written agreement between sovereign states and/or international organizations that is governed by international law. A treaty may also be known as an international agreement, protocol, covenant, conventio ...
, which largely replicated the Treaty of Guînes, but was slightly less generous towards the English. War again flared up in 1369 and the Hundred Years' War finally ended in 1453, 99 years after the Treaty of Guînes was signed.
Background
Since 1153 the English Crown had controlled the
Duchy of Aquitaine
The Duchy of Aquitaine (, ; , ) was a historical fiefdom located in the western, central, and southern areas of present-day France, south of the river Loire. The full extent of the duchy, as well as its name, fluctuated greatly over the centuries ...
, which extended across a large part of south-west France. By the 1330s this had been reduced to
Gascony
Gascony (; ) was a province of the southwestern Kingdom of France that succeeded the Duchy of Gascony (602–1453). From the 17th century until the French Revolution (1789–1799), it was part of the combined Province of Guyenne and Gascon ...
. A series of disagreements between France and England regarding the status of these lands culminated on 24 May 1337 in the
council
A council is a group of people who come together to consult, deliberate, or make decisions. A council may function as a legislature, especially at a town, city or county/shire level, but most legislative bodies at the state/provincial or natio ...
of the French king,
Philip VI, declaring them forfeit. This marked the start of the
Hundred Years' War
The Hundred Years' War (; 1337–1453) was a conflict between the kingdoms of Kingdom of England, England and Kingdom of France, France and a civil war in France during the Late Middle Ages. It emerged from feudal disputes over the Duchy ...
, which was to last 116 years. In 1340 the English king,
Edward III
Edward III (13 November 1312 – 21 June 1377), also known as Edward of Windsor before his accession, was King of England from January 1327 until his death in 1377. He is noted for his military success and for restoring royal authority after t ...
, as the closest male relative of Philip's predecessor
Charles IV, laid
formal claim to the Kingdom of France. This permitted his allies who were also
vassal
A vassal or liege subject is a person regarded as having a mutual obligation to a lord or monarch, in the context of the feudal system in medieval Europe. While the subordinate party is called a vassal, the dominant party is called a suzerain ...
s of the French crown to lawfully wage war on it. Edward was not fully committed to this claim and was repeatedly prepared to repudiate it in exchange for his claims to historically English territory in south-west France being satisfied.
In 1346 Edward led an army across northern France,
storming and sacking the
Norman
Norman or Normans may refer to:
Ethnic and cultural identity
* The Normans, a people partly descended from Norse Vikings who settled in the territory of Normandy in France in the 9th and 10th centuries
** People or things connected with the Norma ...
town of
Caen
Caen (; ; ) is a Communes of France, commune inland from the northwestern coast of France. It is the Prefectures in France, prefecture of the Departments of France, department of Calvados (department), Calvados. The city proper has 105,512 inha ...
, defeating the French with great loss of life at the
Battle of Crécy
The Battle of Crécy took place on 26 August 1346 in northern France between a French army commanded by King PhilipVI and an English army led by King Edward III. The French attacked the English while they were traversing northern France ...
and
laying siege to the port of Calais. With French finances and morale at a low ebb after Crécy, Philip failed to relieve the town and the starving defenders surrendered on 3 August 1347. With both sides financially exhausted, Pope
Clement VI dispatched
emissaries to negotiate a truce. On 28 September the
Truce of Calais
The Truce of Calais () was a truce agreed by King Edward III of England and King Philip VI of France on 28 September 1347, which was mediated by emissaries of Pope Clement VI. The Hundred Years' War had broken out in 1337 and in 1346 Edward ha ...
was agreed, bringing a temporary halt to the fighting. The agreement strongly favoured the English, confirming them in possession of all of their territorial conquests. It was agreed that it would expire nine months later on 7 July 1348 but was extended repeatedly over the years. The truce did not stop ongoing naval clashes between the two countries, nor small-scale fighting in Gascony and
Brittany
Brittany ( ) is a peninsula, historical country and cultural area in the north-west of modern France, covering the western part of what was known as Armorica in Roman Gaul. It became an Kingdom of Brittany, independent kingdom and then a Duch ...
. In August 1350
John II succeeded his father, Philip, as King of France.
In early January 1352 a band of
freelancing
''Freelance'' (sometimes spelled ''free-lance'' or ''free lance''), ''freelancer'', or ''freelance worker'', are terms commonly used for a person who is self-employed and not necessarily committed to a particular employer long-term. Freelance w ...
English soldiers seized the French-held town of
Guînes
Guînes (; ; ) is a commune in the northern French department of Pas-de-Calais. Historically, it was spelt ''Guisnes''.
On 7 January 1785, Jean-Pierre Blanchard, a French pioneer in hydrogen-balloon flight, completed the first aerial crossi ...
by a midnight
escalade
Escalade is the act of scaling defensive walls or ramparts with the aid of ladders. Escalade was a prominent feature of sieges in ancient and medieval warfare. Although no longer common in modern warfare, escalade technologies are still deve ...
. The French garrison of Guînes was not expecting an attack and the English crossed the moat, scaled the walls, killed the sentries, stormed the
keep
A keep is a type of fortified tower built within castles during the Middle Ages by European nobility. Scholars have debated the scope of the word ''keep'', but usually consider it to refer to large towers in castles that were fortified residen ...
, released a group of English prisoners being held there and took over the whole castle. The French were furious and their envoys rushed to London to deliver a strong protest to Edward. Edward was thereby put in a difficult position. The English had been strengthening the defences of Calais with the construction of small fortifications at bottlenecks on the roads through the marshes to the town. These could not compete with the strength of the defences at Guînes that would greatly improve the security of the
English enclave around Calais, but retaining it would be a flagrant breach of the truce then in force. Edward would suffer a loss of honour and possibly a resumption of open warfare, for which he was unprepared. He ordered the English occupants to hand Guînes back.
By coincidence, the
English parliament
The Parliament of England was the legislature of the Kingdom of England from the 13th century until 1707 when it was replaced by the Parliament of Great Britain. Parliament evolved from the great council of bishops and peers that advised th ...
was scheduled to meet, its opening session due on 17 January. Several members of the
King's Council made fiery, warmongering speeches and the parliament was persuaded to approve three years of war taxes. Reassured that he had adequate financial backing, Edward changed his mind. By the end of January the
Captain of Calais had fresh orders: to take over the garrisoning of Guînes in the King's name. The Englishmen who had captured the town were rewarded. Determined to strike back, the French took desperate measures to raise money and set about raising an army. Thus the opportunistic capture of Guînes resulted in the war resuming.
Prelude

The resumption of hostilities caused fighting to flare up in Brittany and the
Saintonge
Saintonge may refer to:
*County of Saintonge, a historical province of France on the Atlantic coast
* Saintonge (region), a region of France corresponding to the historical province
* Saintonge ware, a medieval pottery type produced in Saintes reg ...
area of south-west France, but the main French effort was against Guînes. The French assembled an army of 4,500 men, including 1,500
men-at-arms
A man-at-arms was a soldier of the High Medieval to Renaissance periods who was typically well-versed in the use of arms and served as a fully-armoured heavy cavalryman. A man-at-arms could be a knight, or other nobleman, a member of a kni ...
and a large force of Italian
crossbowmen
An arbalist, also spelled arbelist, is one who shoots a crossbow.
Background
An extensive list of archaic words for medieval crossbowmen is given by Payne-Gallwey. Richardson, in his 1839 dictionary, did not make specific reference to the cross ...
under the command of
Geoffrey of Charny, a senior and well-respected
Burgundian knight
A knight is a person granted an honorary title of a knighthood by a head of state (including the pope) or representative for service to the monarch, the church, or the country, especially in a military capacity.
The concept of a knighthood ...
in French service and the keeper of the ''
Oriflamme
The Oriflamme (from Latin ''aurea flamma'', "golden flame"), a pointed, blood-red banner flown from a gilded lance, was the sacred battle standard of the King of France and a symbol of divine intervention on the battlefield from God and Saint ...
'', the French royal battle banner. By May 1352 the 115 men of the English garrison, commanded by
Thomas Hogshaw, were
under siege
''Under Siege'' is a 1992 action thriller film directed by Andrew Davis and written by J. F. Lawton. It stars Steven Seagal (who also produced the film), Tommy Lee Jones, Gary Busey, and Erika Eleniak. Seagal plays Casey Ryback, a former ...
. The French reoccupied the town, but found it difficult to approach the castle because of the marshy terrain and the strength of its
barbican
A barbican (from ) is a fortified outpost or fortified gateway, such as at an outer defense perimeter of a city or castle, or any tower situated over a gate or bridge which was used for defensive purposes.
Europe
Medieval Europeans typically b ...
.
By the end of May, the English authorities had raised a force of more than 6,000 which was gradually shipped to Calais. From there they harassed the French in what the modern historian
Jonathan Sumption
Jonathan Philip Chadwick Sumption, Lord Sumption, (born 9 December 1948), is a British author, medieval historian, barrister and former senior judge who sat on the Supreme Court of the United Kingdom between 2012 and 2018, and a Non-Permane ...
describes as "savage and continual fighting" throughout June and early July. In mid-July a large contingent of troops arrived from England and, reinforced by much of the Calais garrison, were successful in approaching Guînes undetected and launching a night attack on the French camp. Many Frenchmen were killed and a large part of the
palisade
A palisade, sometimes called a stakewall or a paling, is typically a row of closely placed, high vertical standing tree trunks or wooden or iron stakes used as a fence for enclosure or as a defensive wall. Palisades can form a stockade.
Etymo ...
around their positions was destroyed. Shortly after, Charny abandoned the siege, leaving a garrison to hold the town.
in August the French army in Brittany was defeated by a smaller English force at the
Battle of Mauron
The Battle of Mauron was fought in 1352 in Brittany during the Breton War of Succession between an Anglo-Breton force supporting the claim of Jean de Montfort and a Franco-Breton force supporting the claim of Charles de Blois. The Anglo-Breto ...
with heavy losses, especially among its leadership and men-at-arms. In south-west France there was scattered fighting across the
Agenais
Agenais (), or Agenois (), was an ancient region that became a county (Old French: ''conté'' or ''cunté'') of France, south of Périgord.Mish, Frederick C., Editor in Chief. "Agenais". ''Webster's Dictionary#The Collegiate Dictionary, Webster's N ...
,
Périgord
Périgord ( , ; ; or ) is a natural region and former province of France, which corresponds roughly to the current Dordogne department, now forming the northern part of the administrative region of Nouvelle-Aquitaine. It is divided into f ...
and
Quercy
Quercy (; , locally ) is a former province of France located in the country's southwest, bounded on the north by Limousin, on the west by Périgord and Agenais, on the south by Gascony and Languedoc, and on the east by Rouergue and Auverg ...
with the English getting the better of it; French morale in the area was poor and they despaired of being able to drive off the English.
Treaty
Negotiations

The war was going badly for the French on all fronts and money and enthusiasm for the war was running out. Sumption describes the French administration as "fall
ngapart in jealous acrimony and recrimination". The new pope,
Innocent VI, a relative of John's, encouraged negotiations for a permanent peace treaty and discussions opened at Guînes in early March 1353 overseen by the
Cardinal
Cardinal or The Cardinal most commonly refers to
* Cardinalidae, a family of North and South American birds
**''Cardinalis'', genus of three species in the family Cardinalidae
***Northern cardinal, ''Cardinalis cardinalis'', the common cardinal of ...
Guy of Boulogne. The modern historian George Cuttino states that Innocent was acting at John's instigation. The English sent a senior deputation:
Henry of Lancaster, one of Edward's most trusted and experienced military lieutenants;
Michael Northburgh
Michael Northburgh, otherwise Michael de Northburgh (Northborough), was the Bishop of London between 1354 and his death in 1361. He was the nephew of Roger Northburgh, Bishop of Coventry and Lichfield.
Northburgh's uncle's influence enabled him t ...
,
keeper of the privy seal;
William Bateman the
Bishop of Norwich
The Bishop of Norwich is the Ordinary (Catholic Church), ordinary of the Church of England Anglican Diocese of Norwich, Diocese of Norwich in the Province of Canterbury. The diocese covers most of the county of Norfolk and part of Suffolk. Th ...
, the most experienced diplomat in England; and
Simon Islip
Simon Islip (died 1366) was an English prelate. He served as Archbishop of Canterbury between 1349 and 1366.
Early life
Islip was the uncle of William Whittlesey. He was a cousin of Walter de Islip, Chief Baron of the Irish Exchequer:Ball, F ...
, an ex-keeper of the privy seal and the
archbishop of Canterbury
The archbishop of Canterbury is the senior bishop and a principal leader of the Church of England, the Primus inter pares, ceremonial head of the worldwide Anglican Communion and the bishop of the diocese of Canterbury. The first archbishop ...
; among others. The French were represented by ,
Archbishop of Rouen
The Archdiocese of Rouen (Latin: ''Archidioecesis Rothomagensis''; French: ''Archidiocèse de Rouen'') is a Latin Church archdiocese of the Catholic Church in France. As one of the fifteen Archbishops of France, the Archbishop of Rouen's ecclesi ...
and John's
Chancellor
Chancellor () is a title of various official positions in the governments of many countries. The original chancellors were the of Roman courts of justice—ushers, who sat at the (lattice work screens) of a basilica (court hall), which separa ...
;
Charles of Spain, who was the
Constable of France
The Constable of France (, from Latin for 'count of the stables') was lieutenant to the King of France, the first of the original five Great Officers of the Crown (along with seneschal, chamberlain, butler, and chancellor) and the commander-in ...
and a close confident of John; , John's
Chamberlain;
Guillaume Bertrand
Guillaume Bertrand (died 19 May 1356) was a French prelate of the 14th century.
Biography
Coming from the Bertrand family, he was the son of Robert VI Bertrand de Bricquebec, Baron de Bricquebec, and Ide de Clermont-Nesle, and the brother of Ma ...
, the
Bishop of Beauvais
The Diocese of Beauvais, Noyon, and Senlis (; ) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in France. The diocese encompasses the department of Oise in the region of Hauts-de-France. The diocese is a suffragan o ...
; and several other high-ranking figures. Both parties were ill-prepared and ill-briefed with only two of the French delegation having any previous negotiating experience with the English. After several meetings it was agreed they would adjourn to receive further instructions from their monarchs, reconvening on 19 May. Until then hostilities would be suspended by a formal truce. This temporary agreement was signed and
sealed
Seal may refer to any of the following:
Common uses
* Pinniped, a diverse group of semi-aquatic marine mammals, many of which are commonly called seals, particularly:
** Earless seal, also called "true seal"
** Fur seal
** Eared seal
* Seal (em ...
on 10 March.
In early May 1353 the English requested the negotiations not be restarted until June, to allow them to discuss the matter more fully. The French responded on 8 May by cancelling the truce and announcing an ''
arrière-ban
In medieval and early modern France, the arrière-ban (Latin ''retrobannum'') was a general proclamation whereby the king (or duke) summoned to war all the vassals of his vassals.. The term is a folk-etymological correction of Old French ''herban ...
'' for Normandy, a formal call to arms for all able-bodied males. The negotiators met briefly in
Paris
Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...
on 26 July and extended the truce until November, although all concerned understood that much fighting would continue. French central and local government collapsed.
French nobles took to violently settling old scores rather than fighting the English.
Charles of Navarre
{{Unreferenced, find=Charles of Navarre, date=August 2023
Charles of Navarre or Charles d'Albret (12 December 1510, Pau - September 1528, Naples) was a prince of Navarre.
Charles was a member of the Albret dynasty and one of the youngest childre ...
, one of the most powerful figures in France, broke into the bedroom of Charles of Spain and murdered him as he knelt naked, pleading for his life. Navarre then boasted of it and made tentative approaches to the English regarding an alliance. Navarre and John formally reconciled in March 1354 and a new balance within the French government was reached; this was more in favour of peace with England, in some quarters at almost any price. Informal talks started again at Guînes in mid-March. The principle whereby Edward abandoned his claim to the French throne in exchange for French territory was agreed; Edward gave his assent to this on 30 March. Formal negotiations recommenced in early April. The French were represented by Forêt, Lorris and Bertrand again, joined by
Robert le Coq,
Bishop of Laon
The diocese of Laon in the present-day département of Aisne, was a Catholic diocese for around 1300 years, up to the French Revolution. Its seat was in Laon, France, with Laon Cathedral. From early in the 13th century, the bishop of Laon was ...
, Robert,
Count of Roucy
This article is a list of the counts of Roucy. In medieval France, Roucy was a county held by a succession of noble families. By the Late Middle Ages, it was one of seven titles that was made a peer within the provincial peerage of the greater Co ...
, and ,
Count of Châtillon. The makeup of the English delegation is not known. Discussions were rapidly concluded. A formal truce for a year was agreed, as was the broad outline of a permanent peace. On 6 April 1354 these
heads of terms
A set of heads of agreement, heads of terms, or letter of intent is a non-binding document outlining the main issues relevant to a tentative sale, partnership, or other agreement.
A heads of agreement document will only be enforceable when it is ...
were formally signed by the representatives of both countries, witnessed by Guy of Boulogne.
Agreement
The treaty was very much in the favour of the English. England was to gain the whole of
Aquitaine
Aquitaine (, ; ; ; ; Poitevin-Saintongeais: ''Aguiéne''), archaic Guyenne or Guienne (), is a historical region of southwestern France and a former Regions of France, administrative region. Since 1 January 2016 it has been part of the administ ...
,
Poitou
Poitou ( , , ; ; Poitevin: ''Poetou'') was a province of west-central France whose capital city was Poitiers. Both Poitou and Poitiers are named after the Pictones Gallic tribe.
Geography
The main historical cities are Poitiers (historical ...
,
Maine
Maine ( ) is a U.S. state, state in the New England region of the United States, and the northeasternmost state in the Contiguous United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Provinces and ...
,
Anjou
Anjou may refer to:
Geography and titles France
*County of Anjou, a historical county in France and predecessor of the Duchy of Anjou
**Count of Anjou, title of nobility
*Duchy of Anjou, a historical duchy and later a province of France
** Du ...
,
Touraine
Touraine (; ) is one of the traditional provinces of France. Its capital was Tours. During the political reorganization of French territory in 1790, Touraine was divided between the departments of Indre-et-Loire, :Loir-et-Cher, Indre and Vien ...
and
Limousin
Limousin (; ) is a former administrative region of southwest-central France. Named after the old province of Limousin, the administrative region was founded in 1960. It comprised three departments: Corrèze, Creuse, and Haute-Vienne. On 1 Jan ...
the large majority of western Franceas well as
Ponthieu
Ponthieu (; ; ) was one of six feudal counties that eventually merged to become part of the Province of Picardy, in northern France.Dunbabin.France in the Making. Ch.4. The Principalities 888-987 Its chief town is Abbeville.
History
Ponthieu p ...
and the Pale of Calais. All were to be held as sovereign English territory, not as a
fief
A fief (; ) was a central element in medieval contracts based on feudal law. It consisted of a form of property holding or other rights granted by an overlord to a vassal, who held it in fealty or "in fee" in return for a form of feudal alle ...
of the French crown as
English possessions in France had previously been. It was also a treaty of friendship between the two nations and both France's alliance with
Scotland
Scotland is a Countries of the United Kingdom, country that is part of the United Kingdom. It contains nearly one-third of the United Kingdom's land area, consisting of the northern part of the island of Great Britain and more than 790 adjac ...
over which Edward claimed
suzerainty
A suzerain (, from Old French "above" + "supreme, chief") is a person, state (polity)">state or polity who has supremacy and dominant influence over the foreign policy">polity.html" ;"title="state (polity)">state or polity">state (polity)">st ...
and England's with
Flanders
Flanders ( or ; ) is the Dutch language, Dutch-speaking northern portion of Belgium and one of the communities, regions and language areas of Belgium. However, there are several overlapping definitions, including ones related to culture, la ...
which was technically a province of Francewere to be abandoned. The truce was to be immediately publicised, while the fact that the outline of a peace treaty had been agreed was to be kept secret until 1 October, when Innocent would announce it at the
papal palace Palace of the Popes may refer to:
* Apostolic Palace, Vatican City State – the pope's residence since the return from Avignon in 1377
* ''Domus Sanctae Marthae'', Vatican City – also known as Saint Martha's House, the Vatican hotel where Pope ...
in
Avignon
Avignon (, , ; or , ; ) is the Prefectures in France, prefecture of the Vaucluse department in the Provence-Alpes-Côte d'Azur region of southeastern France. Located on the left bank of the river Rhône, the Communes of France, commune had a ...
. In the same ceremony, English representatives would repudiate the English claim to John's throne and the French would formally relinquish sovereignty over the agreed provinces. Edward was overjoyed, the English parliament
ratified
Ratification is a principal's legal confirmation of an act of its agent. In international law, ratification is the process by which a state declares its consent to be bound to a treaty. In the case of bilateral treaties, ratification is usuall ...
the treaty
sight unseen. The English party for the ceremony departed more than four months before they were due in Avignon. John also endorsed the treaty, but members of his council were less enthusiastic.
Repudiation
The English adhered to the truce, but
John of Armagnac, the French commander in the south-west, ignored his orders to observe the peace; however, his offensive was ineffectual. Details of how much of the treaty was known to the French ruling elite and their debates regarding it are lacking, but sentiment was against its terms. In August it was revealed that several of the men who had negotiated and signed the treaty had been deeply involved in the plot to murder Charles of Spain. At least three of John's closest councillors fled his court or were expelled. By early September the French court had turned against the treaty. The date for formal ceremony in Avignon was suspended.
In November 1354 John seized all of Navarre's lands,
besieging
A siege () . is a military blockade of a city, or fortress, with the intent of conquering by attrition, or by well-prepared assault. Siege warfare (also called siegecrafts or poliorcetics) is a form of constant, low-intensity conflict characte ...
those places which did not surrender. Planned negotiations in Avignon to finalise the details of the treaty did not take place in the absence of French ambassadors. The English emissaries who were to formally announce the agreement arrived amidst much pomp in late December. John had meanwhile decided that another round of warfare might leave him in a better negotiating position and the French planned an ambitious series of offensives for the 1355
campaigning season. The French ambassadors arrived in Avignon in mid-January, repudiated the previous agreement and attempted to reopen negotiations. The English and the Cardinal of Boulogne pressed them to adhere to the existing treaty. The impasse continued for a month. Simultaneously the English delegation plotted an anti-French alliance with Navarre. By the end of February the futility of their official missions was obvious to all and the delegations departed with much acrimony. Their one achievement was a formal extension of the ill-observed truce to 24 June. It was clear that from then both sides would be committed to full-scale war.
Aftermath
The war resumed in 1355, with both Edward and his son,
Edward the Black Prince
Edward of Woodstock (15 June 1330 – 8 June 1376), known as the Black Prince, was the eldest son and heir apparent of King Edward III of England. He died before his father and so his son, Richard II, succeeded to the throne instead. Edward n ...
, fighting in separate campaigns in France. In 1356 the French royal army was defeated by a smaller Anglo-Gascon force at the
Battle of Poitiers
The Battle of Poitiers was fought on 19September 1356 between a Kingdom of France, French army commanded by King John II of France, King JohnII and an Kingdom of England, Anglo-Gascony, Gascon force under Edward the Black Prince, Edward, the ...
and John was captured. In 1360, the fighting was brought to a temporary halt by the Treaty of Brétigny, which largely replicated the Treaty of Guînes, with slightly less generous terms for the English. By this treaty vast areas of France were ceded to England, including Guînes and its county which became part of the Pale of Calais. In 1369 large-scale fighting broke out again and the Hundred Years' War did not end until 1453, 99 years after the Treaty of Guînes was signed.
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{{DEFAULTSORT:Treaty of Guines
Treaties of the Hundred Years' War
1350s treaties
Military history of the Pas-de-Calais
1350s in France
1354 in England
Edward III of England
Treaties not entered into force
Hundred Years' War, 1337–1360