St Kilian was born in Mullagh, County Cavan, in 640 AD in 686 AD he became a missionary to Wurzburg in Germany where he was martyred in 689 AD.

The exhibition at Saint Kilian's Heritage Centre in Mullagh, begins with a 15 minute audio visual presentation dealing with St Kilian and his times, his work, martyrdom and subsequent cult. Additionally, maps, photographs, statuettes, manuscript facsimiles and art reproductions, bring to life a glorious era in Irish church history and the work of Irish missionaries in Europe in the 6th and 7th centuries.

The exhibition also traces the development of Gaelic script for the Ogham writing of the 4th to the 7th centuries and the Wurzburg Glosses (the earliest example of written Irish c 750) to the illuminated script of the book of Kells.