FMG News no.10, sent to members electronically in September 2014, invited readers to submit solutions to a puzzle over the date of a papal letter from the 12th century. The puzzle was posed by Andrew B W MacEwen, and is repeated in summary form in the full article below, together with the solution submitted by Benedict Wiedemann, Department of History, University College, London.

Foundations (2015) 7: 57-58                                              © Copyright FMG and the author


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