In the Crown of Aragon, 639 years ago, Joan informed the King of Castile, his 'rey muy caro hermano,' that he needs the knight Galceran de Vilanova to leave Castile and go to help fight a rebellion in Sardinia.

Read more about this document on the episode page on Jonathan's website, https://jonathanseyfried.net/historians-notebook-s1-episodes/e109-apr12

Today's Document:

• Subject: the recall of the knight Galceran de Vilanova from Castile
• Date: April 12, 1387
• Day of the Week: Friday
• Language: Castilian
• Archival Reference Number: ACA CR R1751 f43r
•  ...