Using a lump hammer and chisel, Reverend Dr. Sue Parfitt, 82, and retired biology teacher Judy Bruce, 85, attempted to break through the glass case containing the historic document.
Two of the four surviving copies of the Magna Carta are kept at the British Library in London; the other two are kept at the cathedrals in Salisbury and Lincoln.
It was the first written statement of the idea that the King and his government were subject to the law, and it was published in June of 1215.
Rev. Parfitt declared: “The Magna Carta is rightfully honored, having a significant bearing on our laws, history, and freedoms.