From cholera outbreaks to public health actions, war metaphors have long been used to describe diseases, to show what we fear and to explain our world to ourselves.
The Romantics - including poets William Blake and William Wordsworth - lived in the 18th century, but their passionate ideas about imagination and nature are still influential today.
The singer had Romantic notions in common with the poet – as well as with William Blake, Mary Shelley, and John Keats.
Britain lucked out with its coal deposits – but other nations have developed without coal.
Jerusalem has been mooted as England's new national anthem – best swot up on its history.