After resting for two days and burying the dead, the English, requiring supplies and reinforcements, marched north. They continued to devastate the land, and razed several towns, including
Wissant, the normal port of disembarkation for English shipping to north-east France. Outside the burning town Edward held a council, which decided to capture
Calais. The city was an ideal
entrepôt from an English point of view, and close to the border of
Flanders and Edward's Flemish allies. The English arrived outside the town on 4 September and besieged it. Calais was strongly fortified: it boasted a double
moat, substantial city walls, and its
citadel in the north-west corner had its own moat and additional fortifications. It was surrounded by extensive marshes, some of them tidal, making it difficult to find stable platforms for
trebuchets and other artillery, or to
mine the walls. It was adequately garrisoned and provisioned, and was under the command of the experienced
Jean de Vienne. It could be readily reinforced and supplied by sea. The day after the siege commenced, English ships arrived offshore and resupplied, re-equipped and reinforced the English army. The English settled down for a lengthy stay, establishing a thriving camp to the west, Nouville, or "New Town", with two market days each week. A major victualling operation drew on sources throughout England and Wales to supply the besiegers, as well as overland from nearby Flanders. A total of 853 ships, crewed by 24,000 sailors, were involved over the course of the siege; an unprecedented effort. Wearied by nine years of war,
Parliament grudgingly agreed to fund the siege. Edward declared it a matter of honour and avowed his intent to remain until the town fell. Two
cardinals acting as emissaries from
Pope Clement VI, who had been unsuccessfully attempting to negotiate a halt to hostilities since July 1346, continued to travel between the armies, but neither king would speak to them.
French disorder Philip vacillated: on the day the siege of Calais began he disbanded most of his army to save money, convinced that Edward had finished his and would proceed to Flanders and ship his army home. On or shortly after 7 September, Duke John made contact with Philip, having already disbanded his own army. On 9 September Philip announced that the army would reassemble at
Compiègne on 1 October, an impossibly short interval, and then march to the relief of Calais. Among other consequences, this equivocation allowed the English forces in the south west, under the
Duke of Lancaster, to launch offensives into
Quercy and the
Bazadais; and
launch a major raid north through
Saintonge,
Aunis and
Poitou, capturing numerous towns, castles and smaller fortified places and storming the rich city of
Poitiers. These offensives completely disrupted the French defences and shifted the focus of the fighting from the heart of Gascony to or more beyond its borders. Few French troops had arrived at Compiègne by 1 October and as Philip and his court waited for the numbers to swell, news of Lancaster's conquests came in. It was believed that Lancaster was heading for Paris, and in order to block this the French changed the assembly point for any men not already committed to Compiègne to Orléans, and reinforced them with some of those already mustered. After Lancaster turned south to head back to Gascony, those Frenchmen already at or heading towards Orléans were redirected to Compiègne; French planning collapsed into chaos. Since June Philip had been calling on the Scots to fulfil their obligation under the terms of the
Auld Alliance and invade England. The Scottish king,
David II, convinced that English force was focused entirely on France, obliged on 7 October. He was brought to battle at
Neville's Cross on 17 October by a smaller English force raised exclusively from the northern English counties. The battle ended with the rout of the Scots, the capture of their king and the death or capture of most of their leadership. Strategically this freed English resources for the war against France, and the English
border counties were able to guard against the remaining Scottish threat from their own resources. Even though only 3,000 men-at-arms had assembled at Compiègne, the French treasurer was unable to pay them. Philip cancelled all offensive arrangements on 27 October and dispersed his army. Recriminations were rife: the
Marshal of France,
Charles de Montmorency, was sacked; officials at all levels of the (the French treasury) were dismissed; all financial affairs were put into the hands of a committee of three senior
abbots; the King's council bent their efforts to blaming each other for the kingdom's misfortunes; Duke John fell out with his father and refused to attend court for several months;
Joan of Navarre, daughter of an earlier king of France (
Louis X) and previously a staunch supporter of Philip, declared neutrality, signed a private truce with Lancaster, and denied Philip access to Navarrese fortifications – Philip was considerably chagrined, but unable to counter this.
Military operations During the winter of 1346–47 the English army shrank, possibly to as few as 5,000 men at some points. This was due to: many soldiers' terms of service expiring; a deliberate reduction by Edward for reasons of economy; an outbreak of dysentery in Neuville which caused major loss of life; and widespread desertion. Despite his reduced numbers, between mid-November and late February Edward made several attempts to breach the walls with trebuchets or
cannon, or to take the town by assault, either from the land or seaward sides; all were unsuccessful. During the winter the French made great efforts to strengthen their naval resources. This included French and mercenary Italian
galleys and French merchant ships, many adapted for military use. During March and April, more than of supplies were run into Calais without opposition. Philip attempted to take the field with his army in late April, but the French ability to assemble in a timely fashion had not improved since the autumn and by July it had still not fully mustered. Taxes proved ever more difficult to collect, with many towns using all available funds to reinforce their walls or equip their militia, and much of the nobility crippled by debt they had accumulated paying for the previous nine years of war. Several French nobles suggested to Edward that they may switch their allegiance. Inconclusive fighting occurred in April and May: the French tried and failed to cut the English supply route to Flanders, while the English tried and failed to capture
Saint-Omer and
Lille. In June the French attempted to secure their flank by launching a major offensive against the Flemings; this was
defeated at Cassel. Early in 1347 Edward took steps to substantially increase the size of his army; in large part he was able to do this because the Scottish army's threat to the north of England and the French navy's threat to the south were much reduced. It is known, for example, that he ordered the recruitment of 7,200 archers; this is nearly as many men as the entire invasion force of the previous year. In late April the English established a fortification on the end of the spit of sand to the north of Calais, which enabled them to command the entrance to the harbour and prevent any further supplies reaching the garrison. In May, June and July the French
attempted to force convoys through, unsuccessfully. On 25 June the commander of the Calais garrison wrote to Philip stating that their food was exhausted and suggesting that they may have to resort to cannibalism. Despite increasing financial difficulties, the English steadily reinforced their army through 1347, reaching a peak strength of 32,000; the largest English army to be deployed overseas prior to 1600. 20,000 Flemings were gathered within a day's march of Calais. English shipping ran an effective ferry service to the siege from June 1347, bringing in supplies, equipment and reinforcements. On 17 July Philip led the French army north. Alerted to this, Edward called the Flemings to Calais. On 27 July the French came within view of the town, away. Their army was between 15,000 and 20,000 strong; a third of the size of the English and their allies, who had prepared
earthworks and
palisades across every approach. The English position was clearly unassailable. In an attempt to save face, Philip now admitted the Pope's emissaries to an audience. They in turn arranged talks, but after four days of wrangling these came to nothing. On 1 August the garrison of Calais, having observed the French army seemingly within reach for a week, signalled that they were on the verge of surrender. That night the French army withdrew. On 3 August 1347 Calais surrendered. The entire French population was expelled. A vast amount of
booty was found within the town. Edward repopulated the town with English settlers. ==Subsequent activities==