9th April » Despite being outnumbered 16 to 1, forces of the Old Swiss Confederacy are victorious over the Archduchy of Austria in the Battle of Näfels.
18th May » During the Battle of Buyur Lake, General Lan Yu (general) known as Lan Yu led a Chinese army forward to crush the Mongol hordes of Tögüs Temür, the Khan of Northern Yuan.
5th August » The Battle of Otterburn, a border skirmish between the Scotland Scottish and the England English in Northern England, is fought near Otterburn, Northumberland Otterburn.
12th December » Maria of Enghien sells the lordship of Argos and Nauplia to the Republic of Venice.
Famous Birthdays in 1388
7th September » Gian Maria Visconti, Italian son of Gian Galeazzo Visconti (d. 1412)
14th September » Claudius Clavus, Danish geographer and cartographer (d. 1438)