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This guide is for Pearson Edexcel A-level History, Paper 3 option 30: Lancastrians, Yorkists and Henry VII, 1399–1509.

Your course begins when Henry Bolingbroke took Richard II’s throne in 1399 and ends with Henry VII’s death in 1509. It combines two kinds of history:

• depth: five periods when kings faced severe challenges or achieved striking success;
• breadth: change across 110 years in noble power and the financial, parliamentary and diplomatic foundations of monarchy.

Pearson published Issue 4 of the specification in June 2026 for first teaching from September 2026 and first A-level assessment in June 2028. Issue 3 remains in use for the final June 2027 assessment. Option 30’s identity, dates, content and Paper 3 structure remain stable, but check the specification year supplied by your school.

If your course begins in 1450 and ends in 1499, check again: you may be taking AQA 2B, which overlaps historically but has different content and assessment.

What Paper 3 asks you to do

Paper 3 lasts 2 hours 15 minutes, carries 60 marks and is worth 30% of the A level. You answer one question in each section.

• Section A: one compulsory question evaluating one contemporary source of about 350 words through two related enquiries. This is AO2.
• Section B: choose one of two depth essays. This is AO1.
• Section C: choose one of two breadth essays covering at least 100 years. This is AO1.

This paper does not assess extracts from modern historians. Section A is not an AQA-style comparison of three sources. You evaluate one source separately for each enquiry, using its content, provenance and exact historical context.

Your whole-course orientation

Keep this ten-step story in mind:

1. Bolingbroke deposed Richard II and became Henry IV, but usurpation made his authority conditional.
2. Henry IV survived plots, the Percies and Owain Glyndŵr through victory, resources and political accommodation.
3. Henry V strengthened Lancastrian authority and conquered extensively in France, but his settlement remained unfinished.
4. Henry VI’s weak direction and defeat in France damaged confidence in Lancastrian government.
5. Richard of York’s challenge became dynastic conflict; Edward IV took the throne in 1461.
6. Edward and Warwick divided; Henry VI briefly returned; Edward won decisively in 1471.
7. Edward restored authority, but his sudden death created a minority crisis.
8. Richard III displaced Edward V, divided the Yorkists and lost at Bosworth.
9. Henry VII converted conquest into legitimacy while defeating Yorkist and regional challenges.
10. Across the whole period, kings governed through nobles, Parliament, law, finance and diplomacy—not through unlimited personal command.

Pause here if you need to. Retelling these steps gives you the frame into which detailed evidence fits.

Essential vocabulary

Authority is the recognised right and practical capacity to rule.

Legitimacy is an accepted basis for rule, supported by such things as inheritance, coronation, Parliament, marriage, law, effective government and victory.

Usurpation means taking a throne without the generally accepted hereditary right to it.

Affinity means a network connected to a lord through service, reward and protection.

Retaining means recruiting people into service, often for a fee or reward. It could support government or enable coercion.

Livery was clothing or a badge identifying service to a lord.

Maintenance was improper support given by a powerful person in another person’s legal dispute or wrongdoing.

Attainder was a legal declaration of treason that could remove status, land and inheritance.

Pretender means a person presented as possessing a claim to the throne. Historians must still explain why people supported that claim.

Exchequer was the established central institution for receiving, auditing and accounting for royal revenue.

Chamber was part of the royal household and became an increasingly important, personally supervised financial instrument under Edward IV and Henry VII.

Depth 1: Henry IV’s seizure and survival, 1399–1406

Why Bolingbroke took the throne

Richard II exiled Henry Bolingbroke in 1398 and, after John of Gaunt’s death, took possession of the Lancastrian inheritance. While Richard campaigned in Ireland in 1399, Bolingbroke returned. He initially presented himself as recovering his inheritance, but support expanded and Richard’s government collapsed.

Richard’s formal renunciation and deposition were recorded through a parliamentary process. The official record helped enact and justify the change; it should not be treated as neutral proof that Richard freely chose to surrender. Bolingbroke claimed the Crown through inheritance, conquest and divine favour and became Henry IV.

His claim was plausible but contested. Deposition had broken hereditary succession, Richard remained alive until 1400 and other descendants of Edward III possessed claims. Henry needed to turn military and political success into accepted kingship.

Challenges at home and abroad

The Epiphany Rising of 1400 attempted to restore Richard. Its failure did not end insecurity. France, Scotland and the English king’s continental possessions mattered because enemies could exploit rebellion and question the new dynasty.

Owain Glyndŵr’s revolt began in 1400. Do not reduce it to an English baronial quarrel. It drew strength from Welsh exclusion, legal inequality, hostility to privileged boroughs, native princely claims and prophetic culture. As the revolt expanded, especially from 1403 to 1406, Owain developed a programme involving an independent principality, Welsh institutions, the Church and French alliance.

The Percy family had helped Henry in 1399 but became alienated over reward, policy and control in the north and Wales. Henry defeated Hotspur at Shrewsbury in 1403. That was a turning point, not an instant solution: resistance continued and Henry gained the upper hand only gradually by 1405–06.

Why Henry survived

Henry combined battlefield victory, punishment, rehabilitation of opponents, taxation, Parliament and existing networks of lordship. His enemies did not maintain a single coalition. Owain, the Percies, France and Scotland had connected interests but different aims and timetables.

The best judgement is gradual consolidation after usurpation. Henry’s authority remained marked by 1399, yet by 1406 the dynasty had survived its gravest immediate threats.

Knowledge check

1. Why did recovering the Lancastrian inheritance turn into a seizure of the Crown?
2. Why must Glyndŵr’s revolt be explained in Welsh terms?
3. Why was Shrewsbury a turning point rather than the end of Henry’s problems?

Check your thinking: Richard’s political collapse and Bolingbroke’s growing support widened the objective. Welsh legal, political and cultural grievances gave the revolt its own logic. Shrewsbury defeated Hotspur, but wider rebellion and international pressure continued.

Depth 2: Henry V, Lollardy and France, 1413–1421

Henry V inherited a dynasty born in usurpation but presented a more confident kingship. He rewarded service, asserted justice and defended religious orthodoxy. The Southampton Plot of 1415 nevertheless showed that alternative claims remained politically usable.

Oldcastle and Lollardy

Sir John Oldcastle was a former associate of Henry and a prominent Lollard. Henry first attempted persuasion and obtained a stay of execution after Oldcastle’s conviction for heresy. Oldcastle escaped, and the rising associated with him in January 1414 became a domestic security crisis.

Henry’s response strengthened his reputation for decisive justice, but enforcement could be personal and extra-legal. Avoid describing the rising as proof that all Lollards were revolutionaries or that religious dissent disappeared.

Campaign, victory and resources

Henry renewed the French war in 1415. Harfleur was captured after a costly siege, and the English army won at Agincourt. Victory increased prestige and bargaining power, but warfare required ships, wages, loans, pledged jewels, taxation and continuing consent.

Agincourt did not give Henry unlimited resources. Parliament accelerated payment of an existing subsidy, while the attempted Cheshire subsidy in 1416 encountered resistance despite the county’s military connection to Henry. Triumph could enlarge political credit without removing the limits of what communities would pay.

Burgundy, Normandy and Troyes

From 1417 Henry pursued systematic conquest in Normandy. French civil war between Armagnac and Burgundian interests created opportunities. The murder of John the Fearless in 1419 helped bring Philip the Good of Burgundy into alliance with Henry.

The Treaty of Troyes in 1420 recognised Henry as heir to Charles VI and joined the settlement to Henry’s marriage to Catherine of Valois. Yet the Dauphin and much of France remained outside it. Troyes was both an extraordinary triumph and a programme requiring further war, administration and Anglo-Burgundian cooperation.

Henry died in 1422 before Charles VI. His achievement was formidable but unfinished. A baby inherited a double monarchy that depended on alliances, resources and continued conquest.

Knowledge check

1. Why did the Oldcastle crisis test both religious and political authority?
2. What limits on Henry’s resources remained after Agincourt?
3. Why did Troyes depend on Burgundy and continuing war?

Check your thinking: Oldcastle joined prominent dissent to a security threat. War still required taxation, loans, supply and consent. Troyes arose from French civil conflict and excluded the Dauphin’s continuing resistance.

Depth 3: renewed crisis and Edward IV’s triumph, c1449–1461

Henry VI struggled to direct government, choose trusted counsel and control competing interests. Defeat in France destroyed the prestige inherited from Henry V. Suffolk’s influence and downfall connected military failure, patronage and demands for better government.

Cade’s rebellion in 1450 brought together complaints about counsel, corruption, taxation and justice. It was not simply a Yorkist movement, but it showed that dissatisfaction extended beyond a private noble quarrel.

Richard, duke of York, combined royal descent, landed power and a reforming claim. Henry’s incapacity in 1453 made York protector, but the king’s recovery ended that arrangement. First St Albans in 1455 killed leading Lancastrians and transferred control of the king without producing a durable settlement.

In 1460 York claimed the Crown. The Act of Accord left Henry as king but displaced Prince Edward in favour of York and his heirs. Margaret of Anjou defended her son’s inheritance. York was killed at Wakefield, but his son Edward won support, was acclaimed Edward IV and defeated the Lancastrians at Towton in 1461.

Towton gave Edward military command; it did not create universally accepted legitimacy. Henry VI remained alive and resistance continued.

Knowledge check

1. Why did defeat in France weaken Henry VI at home?
2. Why was Cade’s rebellion more than a noble faction dispute?
3. Why did the Act of Accord deepen conflict?

Check your thinking: French losses damaged prestige and intensified arguments about counsel. Cade’s grievances included justice, taxation and corruption. The Accord displaced Prince Edward and made Margaret’s defence of his inheritance inseparable from political survival.

Depth 4: Yorkists divided, 1478–1485

Edward IV and Warwick had already divided over influence, marriage and foreign policy. Warwick restored Henry VI in 1470, but Edward returned and won at Barnet and Tewkesbury in 1471. His second reign then achieved greater stability through royal lands, household government, patronage and trusted regional agents.

Clarence and dynastic discipline

Edward’s brother George, duke of Clarence, had repeatedly changed sides. Relations deteriorated again in the 1470s. Clarence was accused of treason, attainted in Parliament in January 1478 and executed in February.

The episode demonstrates Edward’s increasing severity towards a dynastic threat. Later stories, including drowning in malmsey wine, shaped Clarence’s reputation and need source criticism. His death weakened the adult male Yorkist family, but did not make 1483 inevitable.

Edward IV and Richard III compared

Edward possessed victory, time, financial recovery and an accepted heir. His vulnerability was that the heir was a child and the arrangements for a minority government were unresolved when Edward died unexpectedly in April 1483.

Richard of Gloucester was appointed protector but arrested Woodville leaders, executed Hastings and took custody of Edward V and his brother. Claims that Edward IV’s marriage was invalid made the boys illegitimate, and Richard became Richard III.

The princes disappeared. Their custody and disappearance are secure; the precise time, method and responsibility for their deaths are not established with certainty. Their removal benefited Richard but damaged his legitimacy.

Buckingham’s rebellion failed in 1483, while Henry Tudor emerged as an alternative. Richard retained major resources and northern support, but his seizure had divided Edwardian Yorkists. At Bosworth in 1485 the Stanleys delayed; William Stanley’s intervention helped Henry. Richard’s direct attack failed and he was killed.

Bosworth was contingent. Henry did not possess the strongest hereditary claim: foreign aid, political alliances, delayed commitment and battlefield decisions mattered.

Depth 5: Henry VII’s security, 1485–1497

Henry strengthened his weak hereditary claim through coronation, Parliament and marriage to Elizabeth of York. Dating his reign from before Bosworth enabled Richard’s supporters to be treated as traitors. Law helped transform conquest into kingship.

Dynastic and foreign-backed challenges

• Lovell’s rising, 1486: an early Ricardian challenge that failed.
• Simnel and Lincoln, 1487: Lambert Simnel was presented as a Yorkist prince, crowned in Ireland and supported by Margaret of Burgundy. John de la Pole, earl of Lincoln, led the invasion. Henry defeated it at Stoke.
• Warbeck: Perkin Warbeck claimed to be Richard, duke of York, and secured foreign backing. His long challenge linked Burgundy, Scotland, Ireland, diplomacy and English Yorkist networks.
• William Stanley, 1495: Robert Clifford returned from the Warbeck circle and informed against Henry’s chamberlain. Stanley was tried and executed, showing that uncertainty could penetrate the royal household.

Henry gathered information through ambassadors, heralds, agents, returning conspirators, interrogation and household contacts. Roger Machado’s activity as a herald and spy illustrates this practice. Do not imagine a permanent modern intelligence service.

Regional rebellion

The Yorkshire rising of 1489 opposed taxation and killed the earl of Northumberland. The Cornish rebellion of 1497 began in resistance to taxation for war against Scotland and marched to Blackheath. These risings show that political stability depended on the perceived purpose, collection and regional burden of taxation. They were not simply Yorkist dynastic plots.

Warbeck later attempted to exploit Cornwall but failed. Henry’s security came from repeated survival, military mobilisation, diplomacy, law, bonds and information—not from inevitable Tudor popularity.

Knowledge check

1. Why was the Simnel challenge more than the appearance of a young pretender?
2. What does William Stanley’s fall reveal about Tudor security?
3. How did Yorkshire and Cornwall differ from purely dynastic rebellions?

Check your thinking: Lincoln, Irish government, Burgundy and an invading army gave Simnel’s cause substance. Stanley showed that uncertainty reached the household. Yorkshire and Cornwall grew from taxation and regional grievance even when dynastic enemies tried to exploit unrest.

Breadth theme 1: Crown, nobility and local power

Kings needed great landowners to govern regions, hold offices, command troops, uphold justice and patronise the Church. The same resources could support rivalry or rebellion when legitimacy and political trust failed.

Retaining was therefore not automatically corrupt. Affinities supplied administrative, legal and military service. Maintenance, intimidation and interference with justice were genuine dangers, and Parliament passed legislation including measures in 1468 and 1504. These laws regulated unacceptable practices; they did not abolish lordship.

Local patterns varied. Neville–Percy rivalry affected the north, while Bonville–Courtenay conflict mattered in the south-west. The Paston letters illuminate property, litigation, patronage, service and conflict in East Anglia, but one family’s experience cannot represent the whole kingdom. Some counties were dominated by a great affinity; others contained more dispersed gentry power.

Across the century the key variable was not simply the number of nobles. It was whether the king could coordinate noble and gentry power, distribute patronage credibly and prevent local disputes from joining a national succession crisis.

Breadth checkpoints

• 1399–1406: Henry IV survived by widening support beyond a narrow group.
• 1450s: weak direction allowed court and local rivalries to reinforce one another.
• 1470s: Edward IV used trusted regional agents after military victory.
• 1485–1509: Henry VII governed through nobles while using law, bonds and selective enforcement against risk.

Henry also kept Edward, earl of Warwick—the son of Clarence and a possible Yorkist focus—in custody. Warwick was executed in 1499 after an alleged plot involving Warbeck. The execution reduced one dynastic risk but also demonstrates how security, imprisonment, law and foreign concern remained connected late in the reign.

Breadth theme 2: the sinews of royal power

Royal authority needed resources. Kings drew income from Crown lands, customs, feudal rights, justice and taxation. War could produce prestige, territory, pensions or favourable treaties, but it also demanded credit, transport, troops and political consent.

Parliament could support and restrain. It granted taxation, enacted settlements and legislation, voiced grievances and gave political form to legitimacy. The Parliament of 1406 illustrates pressure on Henry IV’s government; Henry V’s taxation shows that even a victorious king negotiated with political society.

The Exchequer remained an important accounting and judicial institution. Edward IV increasingly diverted revenue to the more personally supervised Chamber. Henry VII initially moved away from that arrangement, then revived and developed it. This was adaptation inside late-medieval government, not the sudden creation of a modern state.

Three diplomatic anchors show changing combinations of benefit and cost:

• 1453: final English losses in France damaged Lancastrian prestige.
• Picquigny, 1475: Edward IV obtained French payments and avoided a costly campaign, strengthening finance while disappointing some martial expectations.
• Spanish marriage diplomacy: Medina del Campo in 1489 linked Arthur and Catherine’s marriage to alliance, trade and opposition to France; later change delayed the marriage until 1501.

For a breadth judgement, trace interaction: finance shaped war, war shaped taxation, taxation shaped Parliament and regional consent, while diplomacy could turn military pressure into income or dynastic recognition.

How to answer Section A

The question gives one source and two enquiries. Treat each enquiry as a separate evaluation.

For each enquiry:

1. Select the source content relevant to that enquiry.
2. Test it using precise contextual knowledge.
3. Consider author, date, audience, purpose, position and access to information.
4. Explain how those features affect value for this enquiry—not whether the source is simply “reliable.”
5. Reach a focused judgement about how valuable the source is and where its limits lie.

A royal proclamation may be highly valuable for the case a regime wanted accepted even if its allegations are disputed. A private letter may reveal contemporary fear and uncertainty while repeating rumours. A diplomatic report may have privileged access but also serve a foreign government’s interests.

Source practice

Imagine a source written by a royal officer after the Cornish rebellion.

• For an enquiry about causes, test what it says about taxation against regional grievance and the purpose of the Scottish war.
• For an enquiry about government response, investigate the officer’s access, intended audience and interest in presenting royal action as necessary and effective.

The same source can have different value for the two enquiries.

How to answer Section B

A strong depth essay:

• defines the key term and period;
• uses two or three criteria for judgement;
• deploys precise episode evidence;
• explains relationships between factors rather than listing them;
• reaches a qualified answer to “how far,” “how important” or “how successful.”

Depth practice questions

1. How important was the Battle of Shrewsbury in explaining Henry IV’s survival?
2. How far did success in France strengthen Henry V’s authority?
3. To what extent was weak kingship responsible for the crisis of 1449–61?
4. “Richard III’s own actions were the main cause of his downfall.” Assess this view.
5. How serious were the challenges faced by Henry VII in the years 1485–97?

How to answer Section C

Section C requires at least 100 years. A strong answer cannot become three disconnected reign studies.

Use this structure:

1. Define the process being measured: change, control, impact, pattern or turning point.
2. Establish a starting position near 1399.
3. Compare chronological checkpoints across the whole period.
4. Explain why change occurred and where continuity remained.
5. Decide which turning points altered the underlying relationship and which changed only the immediate ruler.

Breadth practice

“The ability of monarchs to control the nobility changed fundamentally in the years 1399–1509.”

Test this through:

• the continuing necessity of noble and gentry service;
• periods when affinity supported or disrupted government;
• legislation and enforcement;
• the effect of legitimacy and war;
• whether Henry VII’s methods represent transformation or adaptation.

Your conclusion should distinguish stronger coordination under particular kings from the continued dependence of monarchy on landed political society.

Final retrieval check

Without looking back, explain:

1. why 1399 created a lasting legitimacy problem;
2. why Glyndŵr’s revolt needs a Welsh explanation;
3. how Agincourt strengthened Henry V without removing fiscal limits;
4. why Troyes was both triumph and unfinished settlement;
5. how weak royal direction connected national and local conflict under Henry VI;
6. why Clarence’s death did not make 1483 inevitable;
7. how Henry VII used information without possessing a modern secret service;
8. why retaining could support government and disorder;
9. how Exchequer, Chamber, Parliament, war and diplomacy interacted;
10. why 1509 marks consolidation rather than a clean medieval–modern break.

If one answer is missing, return only to that section. You do not need to reread the whole guide.

Your next achievable step

Draw two timelines on one page. On the first, place the five depth episodes. On the second, mark 1399, 1406, 1453, 1461, 1471, 1475, 1483, 1485, 1497 and 1509. Beside each date write one sentence answering: what changed in royal authority, and what continued?