AQA · A-Level · History

    Course version: 7042 · Version from Sept 2017

    The outbreak of war: the first Battle of St Albans and the balance of…

    Full specification wording

    2B The Wars of the Roses, 1450–1499 – The origins of conflict, 1450–1459: The outbreak of war: the first Battle of St Albans and the balance of military power in 1455

    The outbreak of armed conflict in 1455 marked a critical escalation in the Wars of the Roses, culminating in the First Battle of St Albans on 22 May.

    Checked against the AQA 7042 specification (opens in a new tab) on .

    • Point 3 of 4
    • 4 key terms

    Study notes

    From the checked teaching notes for this specification point.

    The idea

    The outbreak of armed conflict in 1455 marked a critical escalation in the Wars of the Roses, culminating in the First Battle of St Albans on 22 May. Richard, Duke of York, alongside his Neville allies, commanded a larger, highly motivated force of around 3,000 men. In contrast, the Lancastrian royal army, led by Somerset and Henry VI, was smaller (around 2,000 men), caught unprepared and lacked cohesive leadership despite having the nominal authority of the Crown. The Yorkist victory, achieved through Warwick's flanking manoeuvre through the town's gardens, resulted in Somerset's death and York's reinstatement as Protector, fundamentally altering the military balance.

    What earns the marks

    • Identify the immediate causes of the First Battle of St Albans, including York's exclusion from power following Henry VI's recovery.
    • Evaluate the significance of the deaths of key Lancastrian leaders (Somerset, Northumberland, Clifford) in creating blood feuds.
    • Assess the political consequences of the battle, specifically York's second Protectorate and the capture of Henry VI.

    Common mistakes and how to put them right

    • Confusing the First Battle of St Albans (1455) with the Second Battle of St Albans (1461).

      Put it right: Ensure you specify the 1455 battle where York was victorious and Somerset was killed.

    • Assuming the Lancastrians had a larger army because they represented the King.

      Put it right by noting the Yorkists actually held the numerical advantage with around 3,000 men compared to the Lancastrian force of approximately 2,000.

    • Claiming the battle immediately started a continuous war.

      Put it right: Clarify that it was followed by an 'uneasy peace' rather than uninterrupted military conflict.

    Exam tips

    • Use the deaths of Somerset, Northumberland and Clifford to explain the emergence of blood feuds that made future reconciliation impossible.
    • When discussing the balance of power, contrast the nominal authority of the King's army with the practical tactical superiority and larger numbers of the Neville-Yorkist forces.
    • Link the outbreak of war directly to the failure of the political system to resolve the York-Somerset rivalry peacefully.

    Try the lesson

    The start of the 2B The Wars of the Roses, 1450–1499 – The origins of conflict, 1450–1459: The outbreak of war: the first Battle of St Albans and the balance of military power in 1455 lesson, made from checked teaching notes for this specification point.

    Have a go first

    Which of the following best describes the immediate shift in the balance of military and political power following the First Battle of St Albans in 1455?

    Listen

    The outbreak of armed conflict in 1455 marked a critical escalation in the Wars of the Roses, culminating in the First Battle of St Albans on 22 May. Richard, Duke of York, alongside his Neville allies, commanded a larger, highly motivated force of around 3,000 men. In contrast, the Lancastrian royal army, led by Somerset and Henry VI, was smaller (around 2,000 men), caught unprepared and lacked cohesive leadership despite having the nominal authority of the Crown. The Yorkist victory, achieved through Warwick's flanking manoeuvre through the town's gardens, resulted in Somerset's death and York's reinstatement as Protector, fundamentally altering the military balance. A strong answer earns marks for these points. Identify the immediate causes of the First Battle of St Albans, including York's exclusion from power following Henry VI's recovery. Analyse the balance of military power in 1455, contrasting the Yorkist Neville alliance's numerical advantage (approx. 3,000 men) and tactical readiness with the Lancastrian lack of preparation and smaller force (approx. 2,000 men). Evaluate the significance of the deaths of key Lancastrian leaders (Somerset, Northumberland, Clifford) in creating blood feuds. Assess the political consequences of the battle, specifically York's second Protectorate and the capture of Henry VI. A common slip: Assuming the Lancastrians had a larger army because they represented the King. Instead, noting the Yorkists actually held the numerical advantage with around 3,000 men compared to the Lancastrian force of approximately 2,000. Exam tip: Use the deaths of Somerset, Northumberland and Clifford to explain the emergence of blood feuds that made future reconciliation impossible.

    Key words

    Say what each word means before you turn the card.

    Military conflict and tactics

    Try answering aloud or in your head before turning the card.

    Noble feuds and factionalism

    Try answering aloud or in your head before turning the card.

    Royal authority and weakness

    Try answering aloud or in your head before turning the card.

    The role of the nobility

    Try answering aloud or in your head before turning the card.

    See every definition
    Military conflict and tactics
    Armed conflict at the First Battle of St Albans was shaped by the balance of military power, with Warwick's flanking manoeuvre through the town's gardens securing the Yorkist victory.
    Noble feuds and factionalism
    The deaths of key Lancastrian leaders created blood feuds that made future reconciliation impossible, while the York-Somerset rivalry showed the political system's failure to resolve disputes peacefully.
    Royal authority and weakness
    The Lancastrian royal army had the nominal authority of the Crown but lacked cohesive leadership, was caught unprepared and was smaller than the Yorkist force.
    The role of the nobility
    Richard, Duke of York, alongside his Neville allies, commanded a larger, highly motivated force, and his reinstatement as Protector fundamentally altered the military balance.

    There is more to this lesson

    The full lesson goes on to check your understanding and help you earn the marks. Create a free account to carry on, with your progress saved.

    Carry on with the full lesson

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge

    Test your understanding of 2B The Wars of the Roses, 1450–1499 – The origins of conflict, 1450–1459: The outbreak of war: the first Battle of St Albans and the balance of military power in 1455

    Active recall beats re-reading. Take an instant quiz now to test what you’ve learned and lock it into long-term memory.

    Take topic quiz

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge