v is Edith Cavell, the nurse who was executed by the German army. Her words, mentioned in the question, are inscribed on the foot of her statue outside the National Portrait Gallery in London.

vi I think vi relates to the ships HMS Wellington and SMS Blucher (because that would be two who were allies 100 years earlier, at Waterloo, but now enemies) and I'm going to guess that Wellington sank Blucher this time.