Which is a reason why historians might change their interpretation of an event? A new piece of evidence is discovered. New technology allows faster publication of results. They may dislike the previously accepted interpretation. An old theory may be unpopular with the general public. Which is a reason why historians might change their interpretation of an event? A new piece of evidence is discovered. New technology allows faster publication of results. They may dislike the previously accepted interpretation. An old theory may be unpopular with the general public.