The battle Bucephalus died after took place in what modern province of Pakistan?
Punjab
Title: Battle of Hilli
Passage: The Battle of Hilli or the Battle of Bogra was a major battle fought in the Indo-Pakistani War of 1971 and Bangladesh Liberation War.  It is generally regarded as the most pitched battle that took place in East Pakistan, now Bangladesh.  The battle of Hilli took place between 23 November 1971 and 11 December 1971, although the final surrender took place on 18 December 1971.
Title: Battle of the Hydaspes
Passage: The Battle of the Hydaspes was fought in 326 BC between Alexander the Great and King Porus of the Paurava kingdom on the banks of the river Jhelum (known to the Greeks as Hydaspes) in what is now the Punjab province of Pakistan.  The battle resulted in a complete Greek victory and the annexation of the Punjab, which lay beyond the far easternmost confines of the already absorbed Persian empire, into the Macedonian Empire.
Title: Alexandria Bucephalous
Passage: Alexandria Bucephalous, or Alexandria Bucephalus or Alexandria Bucephala or Bucephala or Bucephalia, was a city founded by Alexander the Great in memory of his beloved horse Bucephalus.  Founded in May 326 BC, the town was located on the Hydaspes (Jhelum River), east of the Indus River.  Bucephalus had died after the Battle of the Hydaspes in 326 BC.  The garrison was settled with Greek and Iranian veterans plus natives.  It had large dockyards, suggesting it was intended as a center of commerce.
Alexandria Bucephalous Battle of the Hydaspes