Harry Watts (jockey)

Charles Millar came to own Tartarean and stablemate Fair Montague, who finished second, because of a rule at the time which dictated that horse owners in Ontario not only had to be residents but had to be British subjects.

[6] A special segment titled "King's Plate For Toronto" appearing in the New York Times on May 22, 1915, described the "classic event", and surrounding excitement, as follows: The King's Plate of 1915, which will go down into Canadian turf history as one of the best contested events in many years, was a thorough Toronto victory.

[...] Wagering on the plate was unusually heavy, the heaviest, in fact, for years if the crush and turmoil around the machines was any indication.

[6]Race favourte, Lady Curzon, was a fourth-place finisher, out performed by Pepper Sauce in third, Fair Montague in second, and Tartaren in first.

While Fair Montague maintained a lead for most of the race, she "could not stall off the irresistible challenger of Tartarean, which captured the honours in the final stride.