- Treaty of Pipton
The Treaty of Pipton was signed on
June 22 ,1265 during theSecond Barons' War and concluded an alliance betweenSimon de Montfort and the Welsh princeLlywelyn the Last .The treaty came after Simon de Montfort's defeat of English King Henry III at the
Battle of Lewes in1264 . The king and his sonPrince Edward were captured. Llywelyn began negotiations with de Montfort, and in 1265 offered him the sum of 30,000 marks in exchange for a permanent peace, in which Llywelyn's right to rule Wales was acknowledged. The treaty established an alliance between Llywelyn and de Montfort, but the favourable terms given to Llywelyn in it indicated de Montfort's weakening position.
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