Co-wives are often portrayed both as being rivals for their husband's affections and resources as well as collaborators in managing the family. I explore a further dimension: historical time. The life trajectories of individual women in rural Uganda show how co-wife relationships are established, change, endure or end. In addition to ageing, which plays a part in women's changing conjugal arrangements, political upheavals and HIV and AIDS have also had a profound impact on their lives, affecting not only their relationship and attitude towards their husbands but also towards their children, as well as each other. © 2012 Taylor and Francis Group, LLC.