| 1341 | ||
| 1341 | Surveys done for the Chancellory of the Exchequer find land going out of cultivation all over England. War taxation , military service and fierce purveyance of supplies for the war are principal culprits for this phenomenon. | |
| 1341 | 30 April | Death of Jean III, Duc de Bretagne, beginning of the civil war in Brittany between his younger half-brother, Jean Comte de Montfort and Jeanne de Penthièvre, daughter of his brother Guy for the title. Despite the will left by Jean III in favor of his niece, Jean de Montfort assumes the title, and seizes the capital of Nantes. He calls on the nobles of Brittany to support him, with mixed result. Jeanne de Penthièvre and her husband Charles de Blois appeal to Philippe VI for aid. |
| 1341 | April | Parliament amicably settles the disputes between John Stratford and Edward III, and grants Edward the funds necessary to continue the wars in France and Scotland, but only after further concessions on Edwards part. |
| 1341 | King David II of Scotland raids across the border. Edward III leads an army north to repel the incursion, and reinforce the border. | |
| 1341 | July | Jean de Montfort arrives in England, to give his fealty for the County of Richmond, and to offer his fealty for Brittany, in return for English support for his claim to the Duchy. Edward accepts, and Jean returns to Brittany. |
| 1341 | Late August | Philippe VI opens hearings on the disputed succession in Brittany |
| 1341 | 7 September | At Conflans Philippe VI and his court of peers announce that Charles de Blois and Jeanne de Penthièvre are the rightful inheritors to the Duchy of Brittany |
| 1341 | October | A French army assembles at Angers and proceeds to take Champtoceaux, advancing along the Loire, and blockading Jean de Montfort in Nantes |
| 1341 | 18 November | Jean de Montfort is trapped at Nantes by a large force led by Charles de Blois, the French contender to the title. Fearing the results of a long siege the citizens of Nantes hand Jean over to Charles, who sends him to prison in the Louvre. |
| 1341 | Winter | Jeanne de Montfort, wife of Jean de Montfort, continues her husbands claim for the Duchy of Brittany. Withdrawing with her son, surprisingly named Jean, to the town of Hennebont, in the south of Brittany, she conducts a fierce defense. |
| 1342 | ||
| 1342 | The English destroy a squadron of Genoese ships at Brest (possibly in conjunction with one of their landings there). | |
| 1342 | 17 January | At Pointose a fourth son is born to King John the Good and Queen Bonne. He is named Phillipe, and is the future Philippe le Hardi (the Bold), Duc de Bourgogne. |
| 1342 | Spring | Edward III sends a force commanded by Sir Walter Manny to Brittany to aid Comtess Jeanne de Montfort, still under siege in Hennebont, wearing armor and leading cavalry forays against the enemy camp and keeping the Hennebont-Brest road open. They arrive just in time, as the garrison is discussing terms of surrender when the English fleet is sighted. |
| 1342 | 24 April | Pope Benedict XII dies at Avignon. |
| 1342 | 7 May | Cardinal Pierre Roger is elected and enthroned as pope Clement VI. |
| 1342 | August | William de Bohun, Constable of England, along with Robert of Artois, lands in Brest, advances across Brittany and captures Vannes. |
| 1342 | 30 September | Battle of Morlay. Constable of England William de Bohun defeats Charles de Blois. |
| 1342 | Vannes is retaken for the French by Olivier III de Clisson | |
| 1342 | October | Edward III lands at Brest, lays siege to and recaptures Vannes for the English, and lays siege to Renesse. |
| 1342 | Winter | A French army under Prince Jean marches from Normandy to engage the English. |
| 1342 | December | Olivier III de Clisson, under suspicion and criticism from the French for failing to hold Vannes against the English, defects to the English. |
| 1343 | ||
| 1343 | Pope Clement VI issues the bull 'Unigentius', which grants the city of Rome the right to hold a jubilee every 50 years, as opposed to every 100. He declines however, their invitation to return the papacy to Rome. | |
| 1343 | January | Cardinals sent by pope Clement VI arrive in Brittany from Avignon, and negotiate the Truce of Malestriot, to last until September 1346, averting a major battle between the French and English. In theory this truce required Philippe VI to release Jean de Montfort, which he didn't do till 1345, and applied to the Flemish and the Scots, who ignored it. Jeanne de Montfort goes to England. |
| 1343 | Bertrand du Guesclin, with a group of companions disguised as woodcutters, takes the city of Fougeray, earning the attention of Charles of Blois, and the nickname of 'the Black Dog of Brocéliande' from the English. Within a few months he has sold it back to the English, probably to Robert Knowles. | |
| 1343 | Summer | Olivier III de Clisson, while attending a tourney in French territory, is arrested and brought to trial for treason. |
| 1343 | 2 August | Olivier III de Clisson is beheaded for treason, and his head is displayed at Nantes, as a warning to others. Several other Breton knights are also executed. |
| 1343 | Spetember | Louis of Bavaria writes to the pope, acknowledging his unlawful succession to the imperial title, and declaring his willingness to annul all his imperial actions and submit to papal penalties. His only condition was that he be named king of the Romans. Pope Celment VI responded say that in addition no law would be passed in the empire without papal sanction,that any of Louis' decrees would be invalid unless and until the pope had confirmed them, that Louis deposed all those bishops and abbots that he had appointed without proper authority, and further that Louis waive all sovereignty over the Papal States, Sardinia, Sicily and Corsica. |
| 1343 | December | Jeanne de Montfort is confined is confined to Tickhill Castle. Some say she had a mental collapse, others that Edward III wanted full control of Breton affairs, and she was removed as an obstacle. |
| 1344 | ||
| 1344 | Foundation of the English Order of the Garter. | |
| 1344 | Philippe VI creates the duchy of Orleans for his son, Philippe de Valois. | |
| 1344 | Philippe declares an amnesty in regard to civil war, and Charles de Blois gains the loyalty of several important Breton lords. | |
| 1345 | ||
| 1345 | January | The French Parlement decides in favor of Charles de Blois and Jeanne de Penthièvre in the matter of the succession of Limoges, another part of the Brittany succession. |
| 1345 | Jean de Montfort escapes, and goes to England, to do Homage to Edward III for Brittany. He then returns to Brittany to support his cause. | |
| 1345 | 18 January | Philippe, Duke d'Orleans, marries Blanche of France. |
| 1345 | August | Henry of Grosmont, Earl of Derby, lands at Bordeaux. |
| 1345 | September | Jean de Montfort dies. His son, aged 5, is recognized by the English as Duc de Bretagne. |
| 1345 | October | The English win a victory at Auberoche, in Gascony. |
| 1345 | December | The English, under Thomas Dagworth, invade Penthièvre and capture La Roche-Derrien. |
| 1345 | The English take Aiguillon, in Gascony. | |
| 1345 | The French begin recruiting troops and ships in Genoa, Monaco and Nice. | |
| 1346 | ||
| 1346 | March | The French begin defense measures along the channel coasts. |
| 1346 | April | Jean, Duc de Normandie and Prince of France, lays siege to Aiguillon. |
| 1346 | May and June | English fleet and army gather in Portsmouth. |
| 1346 | 6 May | Carlo Grimaldi and his fleet set sail from Nice. |
| 1346 | 9 June | An English army defeats Charles of Blois at St. Pol de Leon in Brittany. |
| 1346 | 24 June | Leaders of Ghent, Bruges and Ypres, in rebellion against their count, agree to support Edward III. |
| 1346 | June | Edward III close all English ports, to prevent news of the planned invasion from leaking out. |
| 1346 | Carlo Grimaldi and his fleet shelter from storms in the Tagus estuary off Portugal. | |
| 1346 | Scots raid along the northern border of England. | |
| 1346 | 3 July | English fleet attempts to sail, but is forced back by contrary winds. |
| 1346 | 11-12 July | English fleet sails from Portsmouth to St. Vaast-la-Hogue, in Normandy. |
| 1346 | 12-18 July | English fleet disembarks at St. Vaast-la-Hogue, defeating the resistance offered by Marshal Robert Bertrand. They proceed to pillage and burn the surrounding villages of the Cotentin. |
| 1346 | 16 July | An English force led by Sir Hugh Hastings arrives in Flanders, joining up with the Flemish forces in Ghent. |
| 1346 | Philippe VI receives news of the English landing at St. Vaast. | |
| 1346 | 18 July | Edward III marches to Valognes. |
| 1346 | 19 July | Edward III marches to St. Côme-du-Mont and Coigny. |
| 1346 | 20 July | Edward III takes Carentan. |
| 1346 | 21 July | Edward III marches to Pont-Hébert. |
| 1346 | 22 July | Edward III takes St. Lô |
| 1346 | Philippe VI raises the Oriflamme at St. Denis. | |
| 1346 | 23 July | Edward III marches to Torigny and Cormolain |
| 1346 | 24-25 July | Edward III reaches the villages west of Caen. |
| 1346 | The English fleet, having destroyed coastal towns and villages, arrives in the Orne estuary. | |
| 1346 | 25 July | Philippe VI marches down the Seine, towards Rouen. |
| 1346 | 26 July | Edward III takes Caen. |
| 1346 | 29 July | Edward III writes to his council demanding men, supplies and money, to be sent to Le Crotoy. |
| 1346 | Philippe VI orders a general mobilisation of men, to assemble at Paris and Amiens. | |
| 1346 | 30 July | Philippe VI and the main French force march to Vernon. |
| 1346 | 31 July | Philipe VI and the main French force reach Rouen. |
| 1346 | Edward III marches from Caen to Troarn and Argences. | |
| 1346 | End of Month | Scots make a truce until the end of September. |
| 1346 | Philippe VI is informed of the secondary invasion of Flanders. | |
| 1346 | August | Carlo Grimaldi and the Genoese fleet arrive in the Seine estuary. The boats are beached, and all the available men on board join the army. |
| 1346 | 1 August | Edward III and the English army march to Rumesnil, Leaupartie and St. Pierre-de-Jonque. |
| 1346 | Sir Hugh Hastings and the Anglo-Flemish force march from Ypres to Baileul. | |
| 1346 | 2 August | Edward III marches to Lisieux. |
| 1346 | Cardinals sent to negotiate peace reach Philippe VI at Rouen | |
| 1346 | Anglo-Flemish forces fight with French along the Lys. | |
| 1346 | 2-3 August | Philippe VI decides to defend the line of the Siene, ordering the Duc de Normandie to abandon the siege of Aiguillon and march to Paris, and ordering the troops at Amiens to Paris. |
| 1346 | Papal envoys negotiate with Edward III at Lisieux. | |
| 1346 | 4 August | Edward III marches to Duranville. |
| 1346 | Northern French forces gather at Amiens. | |
| 1346 | 5-6 August | Edward III reaches Le Neubourg. |
| 1346 | 7 August | Edward III, having taken counsel with his nobles, changes his direction and marches towards Rouen, reaching the Seine at Elbeuf. |
| 1346 | 8 August | Edward III sends Godfrey de Harcourt to study the defenses of Rouen, while he and the army return to Elbeuf. There he attempts and fails to cross the Seine. A further attempt, also fruitless, is made at Ponte del'Arche, and Edward marches to Louviers. |
| 1346 | Philippe VI and the French army shadow the English movements from the north bank of the River. | |
| 1346 | 9 August | Edward III makes an unsuccessful assault on Vernon. |
| 1346 | Edward III marches to Mounceux and Freneuse, where he is met by Cardinals bearing a peace proposal from Philippe VI. | |
| 1346 | Robert de Ferrers, leading an English raiding party, crosses the Seine and attacks the castle of La Roche-Guyon. | |
| 1346 | 11 August | Edward III outflanks the French vanguard at Mantes, and makes an attack on Meulan, which is driven off. |
| 1346 | 12 August | Edward III marches through Ecquevilly and Bures. |
| 1346 | 13 August | Philippe VI returns to Paris, establishing his headquarters at St. Denis. |
| 1346 | 13-15 August | English rebuild the bridge across the Seine at Poissy |
| 1346 | 14 August | From the base at Poissy the English raid Montjoi, St. Cloud, St. Germain-en-Laye and Neuilly. |
| 1346 | The Anglo-Flemish army lays siege to Bethhuné | |
| 1346 | 15 August | Philippe VI leads the French cavalry south of Paris in anticipation of battle. |
| 1346 | 16 August | Edward III burns Poissy and crosses the Seine, marching to near Grisy-les-Plâtres. |
| 1346 | 17 August | Edward III marches north to Auteuil and Vessancourt. |
| 1346 | Philippe VI breaks the bridge at St. Cloud. | |
| 1346 | 18 August | The English vanguard defeats a French force from Amiens near Beauvais. |
| 1346 | Edward III marches to Milly and Troissereux. | |
| 1346 | Philippe VI and the French cavalry march to Clermont. | |
| 1346 | 19 August | Edward III marches to Grandvilliers and Sommereux. |
| 1346 | French vanguard reaches Amiens. | |
| 1346 | 20 August | The English pillage Poix and skirmish with the French vanguard while marching to Camps-en-Amienois and Molliens. |
| 1346 | Philippe VI marches to Nampty. | |
| 1346 | Jean, Duc de Normandie, finally abandons the siege of Aiguillon and marches north. | |
| 1346 | 21 August | French and English armies skirmish. |
| 1346 | 22 August | Philippe VI marches to Amiens, and orders the destruction of all the bridges across the Somme. |
| 1346 | Edward III marches to Airaines, and sends troops to try and find a bridge, but all are destroyed or defended. An attempt to take the bridge at Pont Remy is repulsed by the French. | |
| 1346 | French forces in Bethuné make a successful sortie against their Anglo-Flemish besiegers. | |
| 1346 | 23 August | Finding Abbeville and Caubert too strongly defended Edward III makes for a ford below Abbeville, defeating the local militia at Oisemont. The bulk of the army marches to Acheux. |
| 1346 | Philippe VI marches to Abbeville and Airaines, sending some troops the northern side of the Somme towards Le Crotoy. | |
| 1346 | 24 August | Edward III crosses the Somme at Blanchetaque ford, and, dispersing the defenders on the north bank, proceeds to pillage Noyelles sur Mer, Le Crotoy and Rue before making camp north of Noyelles. |
| 1346 | Philippe VI reach the ford, but is delayed by the rising tide. | |
| 1346 | The Flemings abandon the siege of Bethuné, retreating to Merville. | |
| 1346 | 25 August | Edward III establishes a fortified position north east of Crecy. There he receives the news that the Flemings have abandoned the siege of Bethuné |
| 1346 | Philippe VI returns to Abbeville. The French main force remains in Abbeville and St. Riquer, with additional contingents arriving. | |
| 1346 | 26 August | Edward III draws up his forces in battle array between Crecy and Wadicourt, Philippe VI marches from Abbeville to Crecy. |
| 1346 | Battle of Crecy. Philippe VI and the French are defeated, Philippe retreats to the castle of Labroye. | |
| 1346 | A second French force, commanded by the Duc de Lorraine and the Comte de Blois arrives at Abbeville, and marches on to Crecy. | |
| 1346 | 27 August | The Duc de Lorraine and Comte de Blois reach the battlefield, but are defeated. |
| 1346 | Philippe VI retreats to Doullens | |
| 1346 | 28-31 August | Philippe VI retreats to Amiens, where the surviving French leaders are gathering. A number of the Genoese are accused of treachery, and executed. |
| 1346 | Edward III marches up the coast to Neufchatel. | |
| 1346 | 2 September | Edward III marches to Wimille, and decides to abandon his conquest of Normandy and concentrate on taking Calais. |
| 1346 | 4 September | Edward III reaches Calais, and invests it for siege. The English fleet attacks the city, but is driven off. |
| 1346 | 8 September | Philippe VI moves to the castle at Pont St. Maxence. |
| 1346 | 8 October | The Duc de Normandie and his army reach Paris, where they are joined by Philippe VI. |
| 1346 | 17 October | English forces defeated the Scots under David II during the Battle of Neville's Cross, Scotland. |
| 1347 | ||
| 1347 | June | Charles de Blois, 'French' claimant to the duchy of Brittany, is defeated and captured at La Roche-Derrien. He is sent to the Tower of London as a prisoner. |
| 1347 | August | Capitulation of Calais. In the famous 'Burghers of Calais' incident six of the most prominent citizens of the city present themselves as demanded to Edward III, but are pardoned after Queen Philippa pleads for their lives. [Froissart's Chonicle Text] A truce is signed to last until April, 1351. |
| 1347 | October | Arrival of the Genoese trading fleet in Messina, carrying the Black Death. |
| 1348 | ||
| 1348 | January | Plague reaches Marseille and Languedoc. |
| 1348 | March | Plague reaches Avignon. |
| 1348 | May | Plague reaches Toulouse, Narbonne, Montpellier and Carcassone. |
| 1348 | 9 June | Pope Benedict XII purchases the sovereignty of Avignon from queen Joanna of Naples, who is also countess of Provence, for the sum of 80,000 florins. |
| 1348 | August | Plague reaches Bordeaux, Lyon, Burgundy, Normandy, Paris and the south of England, then disappears for the winter. |
| 1348 | 12 September | Jeanne de Bourgogne, Queen of France, dies. |
| 1349 | ||
| 1349 | The Comte d'Eu is freed by the English, supposedly in exchange for the Castle and County of Guines. | |
| 1349 | Dauphine | |
| 1349 | 10 April | William of Ockham, philosopher and theologian, dies. |
| 1349 | 21 April | Chiriton & Co., the last in a succession of companies formed to farm the customs duties, is declared bankrupt by Edward III. |
| 1349 | Summer | Plague resumes in Paris, spreads to Picardy, Flanders and the Low Countries. |
| 1349 | Summer | Plague resumes in London and Spreads to Scotland, Ireland and Norway. |
| 1350 | ||
| 1350 | All Year | Pope Clement VI declares a Jubilee Year, with a plenary indulgence for all who made pilgrimage to Rome. |
| 1350 | Battle of Winchelsea. The Franco-Castillian fleet defeats the English. | |
| 1350 | Bertrand du Guesclin, with a group of companions disguised as woodcutters, takes the city of Fougeray, earning the attention of Charles of Blois, and the nickname of 'the Black Dog of Brocéliande' from the English. Within a few months he has sold it back to the English, probably to Robert Knowles. | |
| 1350 | Jeanne de Malmains, mother of Bertrand du Guesclin, dies. | |
| 1350 | The Visconti seize Bologna, a Papal fief, beginning a long feud between them and the Papacy. | |
| 1350 | 11 January | King Philippe VI of France marries Blanche of Navarre. |
| 1350 | August | Death of Philippe VI. |
| 1350 | 26 September | Coronation of Jean II at Reims. |
| 1350 | 11 November | Jean II enters Paris. |
| 1350 | 19 November | Jean II executes Raoul, Comte d'Eu and Guines, Constable of France without trial or public procedure, alienating much of his nobility, especially the Norman nobility Jean II makes Charles de la Cerda, called d'Espange, Constable. |
