The 1919 U.S. National Championships was a tennis tournament that took place on the outdoor grass courts at the West Side Tennis Club, Forest Hills in New York City, New York. The women's tournament was held from June 16 until June 20 while the men's tournament ran from August 26 until September 4. This event marked the 39th staging of the U.S. National Championships and was the second Grand Slam tennis event of the year. US Open 1919: August 26–26, 1919 at West Side Tennis Club (M) Philadelphia Cricket Club (W). Men's singles: Bill Johnston — 2nd major title. Women's singles: Hazel Hotchkiss Wightman — 4th major title. Wiki link