Discovery of 13th-century catapult ball sheds light on Edinburgh Castle siege
It is thought the ball was launched during Edward I’s siege of the castle in 1296.
Archaeologists have unearthed a large stone ball thought to have been launched from a powerful medieval catapult during a siege of Edinburgh Castle.
The large carved stone looks like a cannon ball but has been dated to the 13th century, more than 200 years before the introduction of gunpowder or cannons in Scotland.
It was found during excavations at the Grassmarket in Edinburgh as archaeologists from AOC Archaeology continue to investigate the site, which has been earmarked for Europe’s first Virgin Hotel.
It is thought the ball was launched from a large wooden catapult known as a trebuchet, either from or towards the ramparts of Edinburgh Castle in the period of the Siege of Edinburgh in 1296.
The siege saw Edward I capture Edinburgh Castle and hold it under English rule for 18 years, plundering treasure from across Scotland including the Stone of Destiny in the process.
The archaeology work is entirely funded by India Buildings Limited, which is developing the site, and managed by CgMs Heritage.
Richard Conolly, of CgMs, said: “As archaeologists, most of our work deals with the remnants of day-to-day life. So, it is really exciting for the team to find something that potentially provides a direct link to an historic event and specific date.
“The siege only lasted three days – we don’t often get that kind of precision in our dating. It is also a reminder that it was not just the castle that was involved in the siege; the surrounding town must also have taken a battering.”
Over the centuries around 23 different siege attempts were made on Edinburgh Castle and experts have been intrigued by the latest discovery.
John Lawson, City of Edinburgh Council archaeologist, said: “It looks like the type of ball which would have been fired by a trebuchet, one of the most powerful catapults used in the Middle Ages.
“Worldwide, the most famous account of a trebuchet is that of Warwolf, the giant catapult used by Edward I’s army at Stirling Castle in 1304.
“What we’ve discovered here suggests similar weapons were also used in Edinburgh, possibly even during Edward I’s Siege of Edinburgh in 1296, when the Stone of Destiny was stolen and the castle taken out of Scottish hands.
“We always knew this area of the Grassmarket could shed new light on Edinburgh in the dark ages, and here we are with the discovery of a medieval weapon. It’s a really exciting find, particularly if we can prove its links to the Siege of Edinburgh.”
Archaeologists began digging in the Grassmarket area in May and work is expected to continue into the new year.
It is hoped the new 225-room Virgin Hotel Edinburgh will be open by 2020.
Nick Finnigan, executive manager at Edinburgh Castle, said: “This is an exciting new discovery which helps contribute to our understanding of Edinburgh Castle’s remarkable history – particularly during the wars of independence.
“Edinburgh Castle has been besieged more than any other castle in the UK and it’s incredible that we are still uncovering artefacts from these historic sieges.”
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