<human>:  Where did the war of the roses take place?
<bot>: The War of the Roses took place in England. It was fought between the houses of Lancaster and York. The war began in 1455 when Edward IV, King of England, died without leaving an heir. His brother, Richard III, claimed the throne, but was challenged by Henry Tudor, who was supported by the House of Lancaster. The war lasted until 1485, when Henry Tudor defeated Richard III at the Battle of Bosworth Field.