After exceptional events (e.g., the Apollo 11 moon landing) and on important anniversaries (e.g., the centennial of the Unification of Italy), the Sienese community may decide to hold a third Palio between May and September.
Palio was modeled after the pageant that proceeds the Palio di Siena in Italy.
The romance reaches its climax at the traditional Palio horse race where, after Diana breaks up with the prince upon hearing that he bribed the jockey of the rival contrada into throwing the race so that his horse could win, she fast-talks the rival horse's owner into letting her ride.
Byron is three years younger than Natalie, but catches her attention by heroically saving her uncle from being trampled by a stampeding horse during the Palio, a festival in Siena.
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