The 1983 U.S. Open was the 83rd U.S. Open, held June 16–20 at Oakmont Country Club in Oakmont, Pennsylvania, a suburb northeast of Pittsburgh. Larry Nelson won the second of his three major titles, and only U.S. Open, one stroke ahead of defending champion Tom Watson. U.S. Open 1983: June 16–20, 1983 at Oakmont Country Club. Champion: Larry Nelson, at 280 (−4) — 2nd major title. Wiki link