June 6 1919 — Man o’ War wins his first race, a 5-furlong contest over a straightaway at Belmont Park. The 3-to-5 favorite wins by six lengths, covering the distance in 59 seconds. 1924 — Cyril Walker captures the U.S. Open with a three-stroke victory over Bobby Jones. 1936 — Granville, ridden by James Stout, wins the Belmont Stakes by a neck over Mr. Bones. Bold Venture, the Kentucky Derby and Preakness winner, does not run in the race. 1946 — …