Signup for your FREE trial to The Great Courses Plus here: Support BazBattles on Patreon: Music .brFor more Military Campains of Alexander the Great visit: brFor more great battles visit . Its like a museum. Except not boring. This animation covers the Battle of Hydaspes River, [?] 326 BC.brAlexander the Great conquers King Porus during the Battle of Hydaspes.