| 1371 | ||
| 1371 | Cardinal Pierre Roger de Beaufort is elected Pope, and crowned as Gregory IX. [Froissart's Chronicle image (15thc. BNF, FR 2643)] |
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| 1371 | Louis d'Anjou opens hearings on the miracles of Charles of Blois. | |
| 1371 | January | Prince Edward leaves Bordeaux for England, giving the rule of the Aquitaine over to John of Gaunt, Duke of Lancaster |
| 1371 | 23 April | Jean IV de Montfort orders his garrison at Champtoceaux to hold firm against French Pressure |
| 1371 | The house of Lords resolves that Clergy cannot hold the offices of Chancellor, Treasurer, Barons of the Exchequer or Clerks of the Privy Council. | |
| 1371 | 28 May | A son is born to Philippe the Bold, duke of Burgundy and Marguerite de Male. This is the future Jean sans Peur (John the Fearless). |
| 1371 | August | Olivier III de Clisson is ordered by Charles V to relieve Moncontour, under siege by Henry Percy. It falls before he can arrive. [Froissart's Chronicle image (15thc. BNF, FR 2643)] |
| 1372 | ||
| 1372 | Due to his intransigence in returning Reggio and some other places that were supposedly possessions of the Holy See Pope Gregory XI declares war on Bernabo Visconti, Duke of Milan. | |
| 1372 | March | Encouraged by Pope Gregory XI, a peace conference between the English and the French meets in Calais. It results in no tangible success. |
| 1372 | 14 June | Olivier de Clisson, Bertrand du Guesclin and the remainder of the French Command are at Loches. |
| 1372 | 22-23 June | The French galley fleet, under the command of Ranier Grimaldi, and a Castillian squadron sent by Enrique, defeat a large fleet under the Earl of Pembroke, off La Rochelle. [Froissart's Chronicle image (15thc. BNF, FR 2643)] The Earl is taken captive to Spain, and loss of this fleet allows the French to take most of Poitou, Saintogne and Angoumois unopposed in the next month. |
| 1372 | Early July | Moncontour is retaken by the French. |
| 1372 | 29 July | Saint-Sevère falls to the French. De Clisson's friend, a Breton squire named Geoffroy Payen, is taken captive to Benon. |
| 1372 | August | King Edward III and Prince Edward sail from Sandwich with 400 ships, carrying 4,000 men at arms and 10,000 archers for France, but after six weeks of bad weather and being blown off course they are driven back to England. |
| 1372 | 7 August | Bertrand du Guesclin enters Poitiers in Triumph |
| 1372 | 28 August | Philippe, duke of Burgundy, arrives at Poitiers, and begins negotiating with the locals. |
| 1372 | Second Week of September | Olivier III de Clisson invests Benon for siege. The English commander, one David Hollengrave, executes some of his prisoners, Geoffroy Payen amongst them. De Clisson is so outraged at the killing of his friend that he is said to have executed 15 prisoners in revenge when Benon fell to him. |
| 1372 | Late September | Treaty of Surgères: Bertrand du Guesclin, Olivier III de Clisson, and the ducs of Berry and Bourbon conclude a peace with the prelates and nobles of Poitou and Saintonge, who promise full allegiance to Charles V if the English do not aid them by the end of November. |
| 1372 | October | Prince Edward resigns his Principality of Aquitaine, retiring to his castle at Berkhampstead. |
| 1372 | Jean de Montfort, duc de Bretagne, repudiates his fealty to King Charles and flees to England. | |
| 1372 | The French recover La Rochelle and its surrounding countryside. The Captal de Buch is captured and, contrary to Chivalrous tradition, thrown into prison in the Temple, in Paris. He is given the choice to come over, at which he will be released, but refuses to do so. | |
| 1372 | Engurrand de Coucy faces Sir John Hawkwood, who is laying siege to Asti, in Savoy. Hawkwood is faced with the inability to command due to the guardians of the nominal commander, Gian Galeazzo Visconti, Galeazzo's son. Unable to make the assault he wishes he strikes camp and leaves. De Coucy relieves Asti. | |
| 1372 | December | Engurrand de Coucy is named Captain-General of the Papal troops in the Lombardy region. |
| 1373 | ||
| 1373 | January | Coucy and Hawkwood meet up east of Parma, marching on Milan and a meeting there with Amadeus of Savoy. |
| 1373 | 'Early in the year' | A peace conference between the English and the French meets in Bruges, again without success. |
| 1373 | February | Amadeus of Savoy enters Milanese territory, having come to an agreement of neutrality with Galeazzo Visconti, who is his sisters husband. |
| 1373 | 26 February | Coucy and Hawkwood are called off, while the Pope negotiates with Bernabo Visconti. This is a ruse on Bernabo's part to gain time. |
| 1373 | Amadeus, having circled Milan to the north, is pinned down by the Duke of Bavaria, Bernabo Visconti's son in law. | |
| 1373 | April | Battle of Montichiari. Coucy and Hawkwood triumph over the forces of the Visconti. Coucy and Hawkwood withdraw to Bologna. Having fought his way out of Bavaria's clutches Savoy meets them there. |
| 1373 | July | Coucy, Hawkwood and Savoy march westward. |
| 1373 | John of Gaunt, Duke of Lancaster, lands in Calais with 3,000 men at arms and 8,000 archers. Though theoretically seeking a decisive battle Lancaster did not proceed directly to the Aquitaine, but instead pillaged his way around Paris, through Champagne, Burgundy and Auvergne. | |
| 1373 | August | Siege of Piacenza. The matter comes to no conclusion, and ends when Amadeus becomes ill. The papal offensive disintegrates. |
| 1373 | Christmas | John of Gaunt, Duke of Lancaster arrives in Bordeaux with 6,000 of his original 11,000. |
| 1374 | ||
| 1374 | Plague returns to Italy and southern France. | |
| 1374 | Petrarch, Poet, scholar and curmudgeon extrordinaire, dies. | |
| 1374 | Pope Gregory XI approves the founding the Order of the Spanish Hermits of St. Jerome. | |
| 1374 | January | Attempting to bring the companies under control the French government issues an ordinance providing for a system of authorized companies, with fixed pay rates, and captains appointed by the crown, who would forbid pillage and be responsible for the action of their men. This did not achieve any notable success. |
| 1374 | January | At Perigueux Bertrand du Guesclin and John of Gaunt, Duke of Lancaster negotiate a truce covering the Aquitaine. |
| 1374 | 23 January | Engurrand de Coucy is released from his service by the Pope, and returns to France. |
| 1374 | June | Edward III decides he is ready to negotiate a truce. After some delay Charles V agrees to a truce of two years, and sends envoys to Bruges to discuss the matter. |
| 1374 | 6 June | Pope Gregory XI, in alliance with the Holy Roman Emperor, the queen of Naples, the king of Hungary and with the paid services of Sir John Hawkwood, force Bernabo Visconti, duke of Milan, to come to terms. Bernabo bribes several of the negotiators to give him favorable terms. |
| 1374 | Pope Gregory announces the right of the Inquisition to intervene in sorcery trials. This had previously been considered a purely civil matter. | |
| 1374 | November | Charles V appoints de Coucy as a Marshal of France, but de Coucy declines the honor. |
| 1375 | ||
| 1375 | Early in the year | A marriage is arranged between William, heir to the Counties of Hainault, Holland and Zeeland, which has the result that the Count of Hainault is drawn towards the French side of the conflict. |
| 1375 | The Florentines, worried about the growing power of the papacy in central Italy, ally themselves with Bernabo Visconti, duke of Milan, and begin agitating against the pope in the Papal States. Their resultant success soon has the Papal States in rebellion against the pope. Unfortunately for them, the pope excommunicates Florence, and places it under interdict, outlawing the citizens. | |
| 1375 | January | A peace conference gathers at Bruges. This appears to be a more serious attempt, as it is led on either side by princes of royal blood. For the English, John of Gaunt, Duke of Lancaster, and for the French Philippe le Hardi, duke of Burgundy. Philippe is given a monthly salary of 5,000 lt for the duration, and proceeds to host the English with great pomp, taking a large retinue in livery made specifically for the occasion, arranging for a large shipment of Burgundian wine. |
| 1375 | March | Three carts, pulled by fifteen horses in total, of tapestries and robes arrive in Bruges where the conference is beginning in earnest. |
| 1375 | 27 June | A peace cannot be agreed upon at the conference in Bruges, but they settle for a truce, which is to run from 27 June 1375 until dawn on 30 June 1376, in the north of France and in England, and from the 22 July in the rest of France, to give it time to be disseminated. They also agree to further negotiations in the fall. |
| 1375 | 1 July | The peace conference at Bruges closes with a magnificent feast given by Philippe, duke of Burgundy attended by all the participants in the conference. |
| 1375 | 28 December | The peace conference re-convenes in Bruges. Philippe, duke of Burgundy is joined by Louis, duc d'Anjou on the French side, and John of Gaunt, duke of Lancaster is joined by Edmund, earl of Cambridge on the English side. The negotiations that follow produce nothing other than an extension of the truce until 1 April, 1377. |