In June 2007, George W. Bush traveled to Tirana on an official state visit becoming the first U.S. President to visit the former communist country. In 2008, the Gërdec explosions were felt in the capital as windows were shattered and citizens shaken. In January 2011, the Albanian opposition demonstrations were triggered in front of the governmental buildings in Tirana protesting against political corruption and state capture, particularly associated with the former prime minister Sali Berisha's government. In September 2014, Pope Francis made an official state visit to Tirana simultaneously becoming the second pontiff to visit Albania, after Pope John Paul II in 1992.