1346:

Battle of Neville's Cross

In this battle the English were victorious over the Scots.

1404:

Innocent VII Becomes Pope

During his pontificate, Innocent summoned a council in an attempt to heal the Western Schism, but it never assembled.

1448:

Second Battle of Kosovo

This conflict is generally considered the last stepping stone on the way to the conquest of Constantinople by the Ottoman Turks.

532:

Boniface II