The true story about Mrs O’Leary’s Cow and the Chicago Fire of 1871 Posted on October 8, 2014 by Chicago 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: Nancy Connelly whose great great grandmother was Mrs. O’Leary tells the true story of how the Great Chicago Fire started in the O’Leary Barn on October 8, 1871. | Al Podgorski/Sun-Times Media 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for:
