On October 21, 2006, 30,128 jack-o'-lanterns were simultaneously lit in Boston, setting a Guinness World Record for the most jack-o'-lanterns lit at one time.
A Guinness World Record was set on October 21, 2006 in Boston when 30,128 jack-o'-lanterns were lit simultaneously, making it the largest number of jack-o'-lanterns ever illuminated at once.