The cause of one of these events was studied by utilizing "suicide PCR" on teeth pulp. Napoleon stands as Apollo Belvidere while visiting people affected by this type of event at Jaffa in a painting by Antoine-Jean Gros. A figure escaping one of these events passes the tests put forth by Walter, the Marquis of Saluzzo, and is named Griselda. Ten people fleeing this type of event tell stories in the Decameron. Mercutio proclaims one of these "o both your houses" in his dying words to Romeo and Juliet. For 10 points, name these events, one of which was caused by the bacteria Yersinia pestis, was spread by rats, and decimated the population of Europe during the "Black D
The cause of one of these events was studied by utilizing "suicide PCR" on teeth pulp. Napoleon stands as Apollo Belvidere while visiting people affected by this type of event at Jaffa in a painting by Antoine-Jean Gros. A figure escaping one of these events passes the tests put forth by Walter, the Marquis of Saluzzo, and is named Griselda. Ten people fleeing this type of event tell stories in the Decameron. Mercutio proclaims one of these "o both your houses" in his dying words to Romeo and Juliet. For 10 points, name these events, one of which was caused by the bacteria Yersinia pestis, was spread by rats, and decimated the population of Europe during the "Black Death."   
The cause of one of these events was studied by utilizing "suicide PCR" on teeth pulp.
plague breakout [or Black Death before mention or Bubonic Plague or Septicemic Plague or Pneumonic Plague or Great Mortality]