William traveled to the court of the Great Khan of the Mongols, and wrote about his experiences in a report for Louis IX that is widely regarded as one of the finest examples of medieval travel literature.

The massacre at Vassy exacerbated religious tensions that had been simmering for years, serving as a rallying cry for both Catholics and Protestants, each side seeing the incident as justification for their cause. Within just a few weeks of the massacre, violence erupted across the country.

While preparing for the decisive Battle of the Milvian Bridge, Constantine reportedly witnessed a Christian cross which may have been accompanied by a Latin inscription which roughly translates as ‘In this sign, you will conquer.’