True, but I think there was a vulcanic explosion that caused several cold and miserable years? It was too far in our past, though, so again it is part speculati

True, but I think there was a vulcanic explosion that caused several cold and miserable years? It was too far in our past, though, so again it is part speculation I think. Don't remember the specifics, I think it was during the 30 year war?