This rather strange reference book includes birthdays of famous people, all sorts of anniversaries (the anniversary of the invention of pizza, for instance), and a remarkably enticing listing of annual
events such as the Albuquerque International Balloon Festival. Sounds like a great place to work up a vacation schedule. Lists
events worldwide, though most comprehensively in the U.S. (A new
version appears annually, though they don’t say on what date. Readers are invited to submit items).