April 12, 1387
On April 12, 1387, Joan sent a message to the King of Castile regarding the knight Galceran de Vilanova's recall from Castile to aid in a rebellion in Sardinia.
On April 12, 1387, Joan sent a message to the King of Castile regarding the knight Galceran de Vilanova's recall from Castile to aid in a rebellion in Sardinia.