Most of us have heard the fairy story of the Pied Piper of Hamelin. What many of us don’t know is that the legend is based in truth. There is very little evidence as to what actually happened in the German town of Hamelin during the 13th century. In 1384 a short and sinister entry appeared in one of the town’s chronicles. It stated – “It is 100 years since our children left”, but what does this mean?