On this holiday, Hans Castorp confesses his love to Claudia Chauchat in French after borrowing a pencil from her to use on a pig. The arrival of Galatea on a shell inspires the Homunculus to kill himself on this holiday. On this holiday, a character exclaims, "Forgive me, but manuscripts don't burn" before producing a supposedly-lost novel. On this holiday, Natasha arrives naked on the back of a pig in a novel in which a 
On this holiday, Hans Castorp confesses his love to Claudia Chauchat in French after borrowing a pencil from her to use on a pig. The arrival of Galatea on a shell inspires the Homunculus to kill himself on this holiday. On this holiday, a character exclaims, "Forgive me, but manuscripts don't burn" before producing a supposedly-lost novel. On this holiday, Natasha arrives naked on the back of a pig in a novel in which a ball takes places in Berlioz's apartment. A mouse coming out of a dancer's mouth in an event on this holiday reminds the protagonist of a verse drama to think of Gretchen. For 10 points, name this holiday that occurs on April 30th, when witches' sabbaths occur in scenes from The Master and Margarita and Faust.
On this holiday, Hans Castorp confesses his love to Claudia Chauchat in French after borrowing a pencil from her to use on a pig.
Walpurgisnacht [or Walpurgis Night]