This Union: The Ghost Kingdoms Of England

Radio 4, 8pm

Ian Hislop (right) explores the story and legacy of four great Anglo-Saxon kingdoms of England. He begins his journey in East Anglia and the site of the Sutton Hoo excavation.

In five-part documentary series Unspeakable (Radio 4, 1.45pm) Rwandan genocide survivor Alice Musabende meets educator and fellow survivor Eric Murangwa Eugene, who urges her to tell her children about their country’s past.

Every morning this week Ken Bruce (Radio 2, 9.30am) is joined by Primal Scream’s Bobby Gillespie as he chooses the Tracks Of My Years.