Which person or group of people mentioned in the article supposedly did NOT burn books on purpose? 1. Julius Caesar. 2. Caliph Omar. 3. The Spanish Inquisition. 4. The Nazis.

Which person or group of people mentioned in the article supposedly did NOT burn books on purpose? 1.  Julius Caesar. 2.  Caliph Omar. 3.  The Spanish Inquisition. 4.  The Nazis.