Original: 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.
Simplified: August 14 - Battle of Aljubarrota - John of Aviz defeats John I of Castile in the decisive battle of the 1383-1385 Crisis.