Mental Floss host and knowledge junkie John Green explains the origins of popular holiday traditions, including kissing under mistletoe, advent calendars, Christmas pickles, and more.
Previous list: 90 Facts about the ’90s
Mental Floss host and knowledge junkie John Green explains the origins of popular holiday traditions, including kissing under mistletoe, advent calendars, Christmas pickles, and more.
Previous list: 90 Facts about the ’90s