Today in History for May 5th

The Neo-Babylonian Empire sacks Jerusalem and destroys the First Temple.

Pakal ascends the throne of Palenque at the age of 12.

Sack of Thessalonica: Saracen raiders under Leo of Tripoli sack Thessaloniki, the Byzantine Empire's second-largest city, after a short siege, and plunder it for a week.

Battle of Firenzuola: Lombard forces under King Rudolph II and Adalbert I, margrave of Ivrea, defeat the dethroned Emperor Berengar I of Italy at Firenzuola (Tuscany).

Byzantine–Bulgarian wars: Battle of Kleidion: Byzantine emperor Basil II inflicts a decisive defeat on the Bulgarian army, and his subsequent treatment of 15,000 prisoners reportedly causes Tsar Samuil of Bulgaria to die of a heart attack less than three months later, on October 6.

Count Dirk III defeats an army sent by Emperor Henry II in the Battle of Vlaardingen.