You’re invited to a 15-day celebration of your story—and ours. Visit Ancestry.com daily October 1st-15th to search some of our favorite collections for free and enter for a chance to win the prize of the day in the 15 Days of Discovery Sweepstakes. *Each day starting October 1, 2011 we’ll reveal a collection you can search for free through midnight ET on October 15, 2011.