This Day in History: 1388-07-06

On 6th July 1388, John of Gaunt, lord of Pontefract, ratified the Treaty of Bayonne (Trancoso) renouncing his rights to the throne of Castile. The marriage of the heirs of both John I of Castile and Gaunt was to with both created as ‘Prince and Princess of the Asturias’ and succeeding John I. All the sons of Pedro I still in prison were to be released and those in exile allowed to return to Castile. There was also an obligation for the King of Castile to pay compensation to Gaunt of 600,000 gold francs.