Thomas of Plantagenet Biography

Eldest son of Edmund Crouchback, 1st Earl of Lancaster and Blanche of Artois, paternal grandparents are Henry III of England and Eleanor of Provence

Causes the exile of the King's favourite, Piers Gaveston

Serves in the coronation of his cousin, King Edward II, carrying Curtana, the sword of St Edward the Confessor

By his marriage to Alice de Lacy, Countess of Lincoln, daughter of Henry de Lacy, 3rd Earl of Lincoln, he became Earl of Lincoln, Earl of Salisbury and the 11th Baron of Halton upon the death of his father-in-law

By his marriage to Alice de Lacy, Countess of Lincoln, daughter of Henry de Lacy, 3rd Earl of Lincoln, he became Earl of Lincoln, Earl of Salisbury and the 11th Baron of Halton upon the death of his father-in-law

One of the Lords Ordainers who demands the banishment of Gaveston and the establishment of a Baronial oligarchy. Lancaster forces Edward II to surrender powers to the 21 Lords Ordainers

Lancaters private army separates the King and Gaveston, and Lancaster is one of the "judges" who convicts Gaveston and sees him executed

Begins the construction of Dunstanburgh Castle a massive fortress in Northumberland

Begins the construction of Dunstanburgh Castle a massive fortress in Northumberland

Lancaster organizes an army at Newcastle to march against the Scots but returns home as soon as the king refuses to accompany him, "neither trusted the other". Lancaster is unwilling to commit himself to military action in the north if this left Edward free to organise opposition back home

The Lincoln Parliament declares "that the lord king should do nothing grave or arduous without the advice of the council, and that the Earl of Lancaster should hold the chief place in the council"

Some of Lancaters own vassals under the leadership of one Adam Banaster rise up against him. Banaster is captured and his severed head presented to Earl Lancaster

The town of Bristol is in revolt for two years

The Scots then march through Northumberland and Durham into Yorkshire, burn Northallerton and Boroughbridge on their way, pocket the sum of a 1,000 marks for agreeing to leave Ripon alone, before going home again

Reconciled with Edward II after his private war against Earl Warenne, negotiates the Treaty of Leake restoring Edward to power

The Scots then march through Northumberland and Durham into Yorkshire, burn Northallerton and Boroughbridge on their way, pocket the sum of a 1,000 marks for agreeing to leave Ripon alone, before going home again

The Scots then march through Northumberland and Durham into Yorkshire, burn Northallerton and Boroughbridge on their way, pocket the sum of a 1,000 marks for agreeing to leave Ripon alone, before going home again

The Scots then march through Northumberland and Durham into Yorkshire, burn Northallerton and Boroughbridge on their way, pocket the sum of a 1,000 marks for agreeing to leave Ripon alone, before going home again

Reconciled with Edward II after his private war against Earl Warenne, negotiates the Treaty of Leake restoring Edward to power. Aymer brokers a deal when Lancaster agrees to relinquish power, in return for a pardon for himself and his followers

Earl of Douglas captures Berwick castle during the conflicy between Lancaster & Douglas

Death of Thomas of Lancaster, executed

Executed after being defeated at Boroughbridge by Edward II

Defeated by Edward II & beheaded