1823-1893. US historian and traveller, whose work chronicles the European exploration and conquest of North America, in such books as The California and Oregon Trail 1849 and La Salle and the Discovery of the Great West 1879. Parkman viewed the defeat by England of the French at Quebec 1759 (described in his Montcalm and Wolfe 1884) as the turning point of North American history, insofar as it swung the balance of power in North America towards the British colonies, which would form the United States of America.