Input (grade 13): Events July 17 - Charles VI of France marries Isabeau of Bavaria August 14 - Battle of Aljubarrota: John of Aviz defeats John I of Castile in the decisive battle of the 1383-1385 Crisis.
Output (grade 10): Events August 14 - Battle of Aljubarrota - John of Aviz defeats John I of Castile in the decisive battle of the 1383-1385 Crisis.