Even on the supposition that a St. Firmin, native of Pampeluna, was martyred during the persecution of Diocletian, it is certain that the first bishop known to history is St. Eulogius, who defended the divinity of Christ in the councils held during the middle of the 4th century.
On 28 July 1813, Captain Stretton received the thanks of Lord Wellington, conveyed to him through William V, Prince of Orange, for the gallant defence made by the 40th, under his command, supported by two Portuguese regiments, in defending the position on the heights before Pampeluna.