In the 19th and early 20th centuries, Halloween had turned into a night of vandalism, such as overturning sheds or breaking windows. By the 1930's things had gotten out of hand and serious damage was being done on Halloween. There was a movement to have children go door to door and ask for candy as an alternative to vandalism.. Eventually, Halloween treats were plentiful while tricks became rare. Nonetheless, the tradition of Halloween pranks still survives. In some areas, October 30 (one day before Halloween) is called Mischief Night, and vandalism often reaches dangerous levels. In Detroit, Michigan, Mischief Nightknown there as Devil's Nightprovided the occasion for waves of arson that sometimes destroyed whole city blocks during the 1970s and 1980s.