Northern Ireland 's Darren Clarke wins golf 's British Open for the first time in 21 attempts . - The United States and Russia sign a treaty to reduce their nuclear arsenals by up to one third, ending decades of Cold War tensions over which country has more weapons. He is the first player from his country to win golf 's oldest tournament since 1947 . The small nation has now produced three major champions in 13 months .
Northern Ireland 's Darren Clarke wins golf 's British Open for the first time in 21 attempts . The 42-year-old triumphs by three shots from Americans Phil Mickelson and Dustin Johnson . He is the first player from his country to win golf 's oldest tournament since 1947 . The small nation has now produced three major champions in 13 months .