The 2010 United States Open Championship was the 110th U.S. Open, held June 17–20 in Pebble Beach, California. Graeme McDowell of Northern Ireland won his first major title, one stroke ahead of runner-up Grégory Havret of France. McDowell was the first European to win the U.S. Open in forty years, since Tony Jacklin of England won in 1970. McDowell's win started a period in which four out of five U.S. Open champions between 2010 and 2014 were European. This was the fifth U.S. Open to be played at Pebble Beach Golf Links. U.S. Open 2010: June 17–20, 2010 at Pebble Beach Golf Links. Champion: Graeme McDowell, at 284 (E). Wiki link