Memoirs of a Cavalier (1720) is a work of historical fiction by Daniel Defoe, set during the Thirty Years' War and the English Civil Wars. The full title, which bore no date, was: Memoirs of a Cavalier; or A Military Journal of the Wars in Germany, and the Wars in England. From the Years 1632 to 1648. Written threescore years ago, by an English gentleman, who served first in the army of Gustavus Adolphus, the Glorious King of Sweden, till his death, and after that in the Royal Army of King Charles the First, from the beginning of the Rebellion to the end of the War. The nominal author of the work was a 'Colonel Andrew Newport', a Shropshire-born soldier. He has been speculatively identified with the Andrew Newport (1622-1699). However the work was published over 20 years after the death of this Andrew Newport.