When was the first tennis major comprising the Grand Slam before the US Open first held?
US Open (tennis) The United States Open Tennis Championships is a hard court tennis tournament. The tournament is the modern version of one of the oldest tennis championships in the world, the U.S. National Championship, for which men's singles was first contested in 1881. Since 1987, the US Open has been chronologically the fourth and final tennis major comprising the Grand Slam each year; the other three, in chronological order, are the Australian Open, the French Open and Wimbledon.
1896 U.S. National Championships (tennis) List of champions of the 1896 U.S. National Championships tennis tournament (now known as the US Open). The men's tournament was held from 17 August to 26 August on the outdoor grass courts at the Newport Casino in Newport, Rhode Island. The women's tournament was held from 17 June to 20 June on the outdoor grass courts at the Philadelphia Cricket Club in Philadelphia, PA. It was the 17th U.S. National Championships and the second Grand Slam tournament of the year.