 That year he also met with U.S. President Barack Obama in efforts to "reset" strained U.S.-Russian relations, and attended an event in Berlin commemorating the twentieth anniversary of the fall of the Berlin Wall.In 2011, an eightieth birthday gala for him was held at London's Royal Albert Hall, featuring tributes from Simon Peres, Lech Wałęsa, Michel Rocard, and Arnold Schwarzenegger.Proceeds from the event went to the Raisa Gorbachev Foundation.