In April 2008 he became only the second pope to visit the White House
[DOC] [TLE] Papal Visits to the White House - White House Historical Association [PAR] The second pope to visit the White House was Pope Benedict XVI on April 16, 
2008, which also happened to be the ... On September 23, 2015, Pope Francis 
became only the third pontiff in history to pay a visit to the White House.