Sparta - seems obvious.
Last Dying Breath - no idea.
Blood of Bannockburn - The Battle of Bannockburn was held on June 24th, 1314, and was where Robert the Bruce defeated Edward II of England, recovering Scots independence until the Union of Crowns. In this battle, Robert the Bruce's numerically inferior force trapped gouded Edward's undisciplined forces into charging the Scots schiltrons, and then pinned them on the Bannock Burn after they fell back. This battle was mentioned at the very end of the film Braveheart.
Diary of an Unknown Soldier - at 55 seconds, who knows?
The Lost Battalion - This could be a few different things, but most likely it is the Lost Battalion of WW1. This battalion was cut off and shelled by US forces, though held their position and fire until the Germans retired from the engagement. A pigeon saved their lives. A movie, also called The Lost Battalion, was made about the incident.
Rorke's Drift - The Battle of Rorke's Drift was a British imperial battle between the British and the Zulu, where 150 British soldies defeated the assault of about 4000 Zulu warriors. This battle was detailed in the film Zulu.
The Last Stand - god knows.
Hill 3234 - The Battle for Hill 3234 was a battle in the Soviet invasion of Afghanistan. This was also a last stand-style battle (at least the album is thematic), where about 40 Soviet paratroopers held off hundreds of mujaheddin warriors on the appropriately named Hill 3234, while valuable convoys moved through the pass below.
Shiroyama - This was the final battle of the Satsuma Rebellion, where samurai led by Saigo Takamori were finally defeated by the new Imperial Japan. You can see a highly fictionalized version of this in The Last Samurai.
Winged Hussars - Poland has had about a thousand last stands.
The Last Battle - curious what this is gonna be.