Earlier this year, to coincide with the platinum jubilee of Queen Elizabeth II, History Hit took the long view on some of the other women who were queens in Britain - from the 12th century Empress Matilda right through to Queen Victoria.

In a lively and fascinating debate, Prof Suzannah Lipscomb, Dr Eleanor Janega, Prof. Anna Whitelock, Dr Hannah Greig and Prof. Kate Williams discuss what makes a great queen and map out some of the successes and failures of Elizabeth II's famous predecessors.