Mary Shelley claims to have written this story based on a dream she had. She wrote it down for a ghost story contest she was having with friends, but she is the only person who ever finished the writing started for the contest. We’re thinking she totally won. (Source)
Apparently people didn’t like Frankenstein – at first. But they got over themselves and Shelley was still around when they did a theatre production in 1823. (Source)
Shelley at first published anonymously. On January 1st. It was a cheery kick-off to 1818. (Source)