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        Mary Shelley was born in 1797 to her parents, William Godwin and Mary Wollstonecraft. - 
  
  
        In November of 1812, Mary comes home from a trip to Scotland to see her father tutoring a young poet, Percy Shelley. The two quickly fell in love. - 
  
  
        Mary's father did not approve of their relationship. So, in 1816, the two got married and ran away to Switzerland together. They got married on December 30, 1814. - 
  
  
        Mary Shelley gave birth to her and Percy's son, William, on January 24, 1816. - 
  
  
        In May of 1816, Mary and Percy decide to go on vacation to Lake Geneva. - 
  
  
        During the summer of 1816, the weather was unusually rainy and cold. Percy and Mary were staying with a group of authors, and due to boredom decided to have a scary story writing contest. This is when Mary wrote Frankenstein. She was only 18 years old. - 
  
  
        "Frankenstein" was officially published on January 1, 1818. Mary was only 20 years old at the time of its publishing.