When did Michael Phelps win his fourth Olympic gold medal?
2004
2008
2008
2008
2008
2012
2008
2012
2008
2012
2008
2012
2008
2012
2016 Summer Olympics
2008
2012
2016
2008
2012
2016
2008
2012
2012 Summer Olympics
2016
2008
2012
2016
2008
2016 Summer Olympics
2012
2008 Summer Olympics
2016
2008
2012
2016
2008
2012
2016
2012 Summer Olympics
2008
2012
2016
2008
2012
2016 Summer Olympics
2016
2008 Summer Olympics
2008
2012
2016
2008
2012
2016 Rio de Janeiro
2016
2008
2012
2012 Summer Olympics
2016 Olympic Games
2016
2008 Olympic Games
2012
2016 Rio de Janeiro
2016
2016 Summer Olympics
2012
2008 Summer Olympics
2016
2012
2016 Rio de Janeiro
2016 Rio Summer Olympics
2016
2016 Olympic Games
2016 Rio Games
Rio de Janeiro
2016 Summer Olympics.
2008 Olympic Games
2016
2016 Rio de Janeiro Olympics
2012 Summer Olympics
2016 Rio de Janeiro
2016 Rio Summer Olympics
2016 Summer Olympics
2016
Rio de Janeiro
2012 Summer Olympics.
2012 Games
2016 Rio de Janeiro
2008 Beijing Olympics
2016
2016 Rio Summer Olympics
2016 Rio de Janeiro Games
2008 Summer Olympics
2016 Olympic Games
2016 Rio Olympics
2016 Rio Games
2016 Rio de Janeiro Olympics
2016 Rio de Janeiro.
Rio de Janeiro
2008 Olympic Games
2016
2008 Games
2008 Summer Olympics.
2016 Rio de Janeiro
2012 Summer Olympics
2016 Rio Summer Games
2016 Rio Summer Olympics
2016
2008 X-Games
2016 Rio de Janeiro Olympics
Rio de Janeiro
2016 Summer Olympics
2016 Rio de Janeiro Games
2012 Games
24-August-2016
2008, 2008 Summer Olympics
2016 Rio Games
2016 Rio de Janeiro.
2016 Athens Games
2016 Athens Olympic Games
2016 Rio de Janeiro
2016 Rio Summer Games
2016 Olympic Games
2016 Summer Olympics.
2008, 2012 Summer Olympics
2016 Rio Summer Olympics
2008 Beijing Games
2008 Beijing Olympics
Athens 2012
24-August-2012
2008 Summer Olympics
2016 Rio Olympics
2008 Games
2016 Rio de Janeiro Olympics
2008 X-Games
2016 Rio de Janeiro Games
2016 Olympic Games.
Athens '12
2016 Games
2012 Games
2016 Rio de Janeiro.
2016 Rio Olympic Games
24-August-2014
2016 Rio Summer Games
2016 Rio Summer Olympics
2016 Rio de Janeiro
2008 Olympic Games.
2008, 2012 Summer Olympics
2008, 2008 Summer Olympics
2012 Summer Olympics
Athens 2008
2012 Summer Olympics.
24-August-2016
2016 Olympic Games
Athens 2016
2008, 2012, 2012
2016 Rio Games
2008, 2012, 2012 Olympics
2016 Rio de Janeiro Olympics
2008 X-Games
2016 Athens
2016 Rio de Janeiro Games
2016 Summer Olympics
2008 Games
24-August-2012
Athens 2012
Athens '12
2016 Athens Olympics
2016 Rio de Janeiro.
2016 Rio Summer Games
2016 Rio Summer Olympics
2012 Games
2008, 2012, 2012 London
2016 Athens Games
2016 Olympics
2008, Beijing, Beijing
2008 Summer Olympics.
2008, 2012, 2016 Rio
2008 Beijing Olympics
2016 Rio Summer Olympics.
24-August-2014
Athens
Athens 2008
24-August-08
2008 Summer Olympics
2016 Rio de Janeiro
2016 Olympic Games
2008, 2012 Summer Olympics
2016 Rio Olympics
Athens 2004
2008, 2008 Summer Olympics
2008, 2012, 2012
2016 Athens Summer Olympics
2016 Rio Games
2016 Rio de Janeiro Olympics
2016 Rio de Janeiro Games
Athens 2000 Summer Olympics
2008 & 2012
Athens 2016
Athens Olympic Games
2016 Rio Olympic Games