Nobody starts wars in November. Weather's too dreadful. In fact, it could be argued that the Germans had already effectively lost the war by October 1914. It just took them four years to realise it.
When it comes to thermonuclear devices, I'm not sure where I stand these days. When one lived in London, one could at least be fairly certain you'd at least die in the blast rather than a lingering death from radiation sickness and whatnot. Now I don't know.