Pink October - Campaign for Prevention of Breast Cancer

"The popular movement internationally known as the Pink October is celebrated around the world. The name refers to the color of the pink bow symbolizes that, worldwide, the fight against breast cancer and encourages the participation of the population, companies and entities. This movement began United States, where several states had isolated actions related to breast cancer or mammography, and in October, later with the approval of Congress the month of October became the month national (U.S.) to prevent breast cancer. "
 
http://www.pink-october.org/