Charles V, King of France, died and was succeeded by his son Charles as King Charles VI, of France.

All through the summer months, the French prepared men and supplies in the Norman ports. ¹

An invasion from France seemed to be imminent as the French fleet mass at Sluys.  ¹

Fear of an invasion from France led Henry Bolingbroke to prepare defences along the south coast during the winter months of 1387 and spring months of 1388,  ¹