Enlightenment · Europe · Science

1664

Great Comet Terrifies Europe

1664

A blazing comet with a tail stretching across a quarter of the sky appeared over Europe in December, sending astrologers into frenzies and preachers to their pulpits. In London, where plague was already stirring, diarist Samuel Pepys recorded widespread terror. Within months the Great Plague and the Great Fire would make the comet's omen feel earned.