In the Iliad, she is described as the loveliest of the daughters of Priam (King of Troy), and gifted with prophecy. The god Apollo loved her, but she spurned him. As a punishment, he decreed that no one would ever believe her. So when she told her fellow Trojans that the Greeks were hiding inside the wooden horse...well, you know what happened.
For the language nuts out there, a fascinating post on the linguistic origins of an Arabic word for cardamom, kakula. This is from bint battuta, who is based in Bahrain and has recently started blogging again. I'm so glad!