Sometimes certain events from our past receive little or no attention. This might be because there is little information available on these subjects, or because the subjects are controversial or shameful and we are reluctant to face them. But when we ignore of deny a part of our past, we fail to learn the lessons that history can teach us and we neglect people who are part of that history. These people and their history can become “invisible” and in time we can forget that ought to be part of what we think of as history