After spreading throughout Europe, Celts had been threatening Macedon and northern Greek states for years when a Celtic leader decided to invade. And just as the Spartans had done in 480 BC, a coalition of Greeks marched to meet them at Thermopylae. The ancient pass would once again be the site of a battle for the future of Greece.
The first class of nuclear submarines were a learning experience for the Soviet Navy. The November class boats experienced numerous difficulties and accidents, culminating in what has been described as a potential “Underwater Chernobyl."