1896

1896 (2)

ATHENS - 1896: The start of the 100 meters sprint at the first Olympic Games of the Modern Era in Athens, Greece. (Photo by Getty Images)

1912

STOCKHOLM, SWEDEN - MAY 5: General view of the Opening ceremonies of the V Olympic Games on MAY 5, 1912 in Stockholm, Sweden. (Photo by Getty Images)

1912 (2)

STOCKHOLM, SWEDEN - MAY 5: General view as the Nations take part in the Opening game ceremonies of the V Olympic Games on MAY 5, 1912 in Stockholm, Sweden. (Photo by Getty Images)

1920

ANTWERP, BELGIUM - APRIL 20: Suzanne Lenglen of France competes in the Women?s tennis event during the VII Olympic Games circa April of 1920 in Antwerp, Belgium. (Photo by Getty Images)

1920 (2)

ANTWERP, BELGIUM - APRIL 20: Paavo Nurmi of Finland winning one of the nine gold medals during the VII Olympic Games on April 20, 1920 in Antwerp, Belgium. (Photo by Getty Images)

1924

PARIS, FRANCE: US athlete Clarence Houser puts the shot during the Olympic Games in Paris, July 1924 where he won the gold medal in both the discus and shot put events. Clarence Houser won his second gold title in the discus competition at the Olympic Games in Amsterdam in 1928. (Photo credit should read AFP/AFP/Getty Images)

1924 (2)

PARIS - MAY 4: General view as Georges Andre lends the Olympic Oath during the opening ceremonies of the VIII Olympic Games on May 4, 1924 in Paris, France. (Photo by Getty Images)

1932

LOS ANGELES - 1932: An Illustration of Lillian Copeland of the USA competing in the discus event during the X Olympic Games circa July of 1932 in Los Angeles, California. (Photo by Getty Images)

1932 (2)

LOS ANGELES, CA - 1932: Mildred Babe Didrikson of the USA throws the javelin to win the gold medal during the Women's Track and Field javelin event at the 1932 Summer Olympic Games in Los Angeles, California. Didrikson was one of the most versatile sportswomen in the world, winning fame at the 1932 Games where she took both the 80 meter hurdles and javelin titles, and finished second in the high jump. Over a two year period, she continued to set world records in each event. She was an All-American basketball player but her more lasting fame came when she took up golf and won the Women's Amateur title once and the US Open on three occasions, the third time in 1953 after fighting cancer from which she died in 1956. (Photo by Getty Images)

1936

BERLIN, GERMANY - AUGUST 9: US champion "Jesse" (James Cleveland) Owens is airborne during the long jump event, that he won, 09 August 1936 during Olympic Games in Berlin. Grandson of a slave and legendary athlete, "Jesse" Owens established 6 world records in 1935. Jesse Owens retained his 100m world record for 20 years and his long jump world record for 25 years (until 1960). (Photo credit should read CORR/AFP/Getty Images)

1936 (2)

BERLIN, GERMANY - AUGUST 9: British champions Jack Beresford (G) and Leslie Southwood pictured upon they won the Berlin Olympic Rowing Double Sculls event 09 August 1936. (Photo credit should read CORR/AFP/Getty Images)

1948

LONDON - 1948: Fanny Blankers-Koen, far right, of the Netherlands finishes first in the Women's 100m during the XIV Olympic Games Circa August of 1948 in London, England. (Photo by Getty Images)

1948 (2)

LONDON, UNITED KINGDOM: Medalists of the women's Discus stand on the podium at the London Olympics, 01 August 1948. French Micheline Ostermeyer (C) won gold while her compatriot Jacqueline Mazcas (R) got bronze and Italian Gentile Cordiale (L) took silver. (Photo credit should read AFP/AFP/Getty Images)

1952

HELSINKI, FINLAND: U.S Patricia Mc Cormick seen during the ladies diving at the Olympic pool, Helsinki, 30 July 1952. Patricia Mc Cormick won gold in both diving categories, Platform and Springboard. Four years later, at the Olympics in Melbourne, she also took gold in the both competitions. (Photo credit should read AFP/AFP/Getty Images)

1952 (2)

HELSINKI, FINLAND - JULY 26: US champion Robert Bruce "Bob" Mathias is airborn during long jump event of Olympic decathlon, July 1952 in Helsinki. "Bob" Mathias was two-time Olympic champion, 1948 in London, aged 17, and 1952 in Helsinki, improving for the third time his personnal record. (Photo credit should read CORR/AFP/Getty Images)

1956

MELBOURNE - 1956: Picture taken 1956 of American legendary discus thrower Al Oerter in action during the Melbourne Olympic Games. Best discus thrower of all times, Al Oerter was four times Olympics gold medalist, 1956, 60, 64, 68. (Photo credit should read STAFF/AFP/Getty Images)

1956 (2)

MELBOURNE, AUSTRALIA: Soviet Larissa Latynina performs her routine on the beam during the Olympic Games in Melbourne, July 1956. Larissa Latynina won 4 gold medals in Melbourne, 3 golds in Rome 1960, 5 silvers and 4 bronzes she is one of the athletes who has won the most medals in sport's history. (Photo credit should read AFP/AFP/Getty Images)

1960

ROME, ITALY - SEPTEMBER 9: Iolanda Balas of Romania clears a bar at 1,85 m to win the gold medal of the summer Olympics in Rome, 9 sep 1960. (Photo credit should read AFP/AFP/Getty Images)

1960 (2)

ROME, ITALY: German Armin Hary (L) crosses the finish line at the 100m during the Olympic Games in Rome, 01 September 1960. Armin Hary won the gold medal running the 100m competition in 10" ahead of USA's David Sime (R) and British Peter Radford (unidentified). (Photo credit should read AFP/AFP/Getty Images)

1964

Tokyo, JAPAN: (FILES) Photo taken 10 October 1964 shows the opening ceremony of Tokyo Olympic Games at Tokyo's national stadium. Tokyo is making a head start bidding for the 2016 Summer Olympics, with its nationalist leader hoping to restore some of the glory of Japan's first Games after Beijing showcases China's rise in 2008. Japan, which is emerging from a decade-long economic slump, has become the first nation to formally inform the International Olympic Committee (IOC) of its candidacy for the 2016 Games which won't be decided until mid-2009. AFP PHOTO/JIJI PRESS (Photo credit should read STR/AFP/Getty Images)

1964 (2)

TOKYO, JAPAN - OCTOBER 13: Australian swimming champion Dawn Fraser (C-whithout cap) dives for the victory in the Olympic ladies 100m free style 13 October 1964 in Tokyo, clocking the first ever 100m woman time record under the minute. During her career, Dawn Fraser captured 8 Olympic free style medals (four gold) and beaten 27 world records. (Photo credit should read STAFF/AFP/Getty Images)

1968

STAFF/AFP/Getty Images

MEXICO CITY, MEXICO - OCTOBER 10: American high jump champion Dick Fosbury clears the bar during practice, 10 October 1968 in Mexico. Fosbury later won the gold medal at the Olympic Games with a jump of 2.24 m, while inventing a new style dubbed the "Fosbury flop", used ever since by high jumpers all over the world. (Photo credit should read STAFF/AFP/Getty Images)

1968 (2)

MEXICO CITY, MEXICO: Czech Vera Caslavska performs her routine on the beam at the Olympic Games in Mexico, 23 October 1968. The Czech gymnast won the all around individual title in gymnastics competition in Mexico City. Vera Caslavska, one of the most titled gymnast switched from ice skating to gymnastics as a 15 year-old, and went on to win 22 Olympic, World and European titles. She won three Olympic gold medals in 1964, and four in 1968. (Photo credit should read AFP/AFP/Getty Images)

1972

MUNICH, GERMANY - SEPTEMBER 10: USA Basketball team battles for the tip off against the Russia basketball team on September 10, 1972 in Munich, Germany. The Russia won this controversial game 51 to 50 after being given extra time to get a final shot off. It was the first loss in USA Basketball history. (Photo by Getty Images)

1972 (2)

MUNICH, GERMANY: Soviet champion Nikolai Andrianov performs at the pommel horse, september 1972 during the Olympic Games in Munich where he captured the gold in the Floor Exercises event. During his Olympics career, Andrianov captured 15 medals in which 6 individual between 1972-1980 and 39 during his sport career. (Photo credit should read AFP/AFP/Getty Images)

1976

MONTREAL, CANADA - JULY 19: beam, uneven bars and general competition - 1980, beam) and was the first to score 10 in her discipline. (Photo credit should read STAFF/AFP/Getty Images)

1976 (2)

17 Jul-1 Aug 1976: Vasily Alexeyev of the Soviet Union successfully lifts the bar bell above his head during the Super- Heavyweight Weightlifting event at the 1976 Olympic Games in Montreal, Canada. Alexeyev won the gold medal with a lift of 440 kilograms. Mandatory Credit: Allsport UK /Allsport

1980

MOSCOW, RUSSIA - AUGUST 2: Cuban champion Teofilo Stevenson (L) is in a bout against Soviet Pyotr Zaev during the final of the Olympic heavyweight 81+ boxing event that he won. During his career, Teofilo Stevenson captured successivly three gold medals in the heavyweight boxing fights (1972-1976-1980) and three world amateur titles (1974-1978-1986) (Photo credit should read STAFF/AFP/Getty Images)

1980 (2)

MOSCOW, RUSSIA - JULY 28: Pascale Trinquet (R), French fencer competes against Russian Belova (L) in the Team Foil category, Moscow 28 July 1980. France won gold, Soviet Union got silver and Hungary took bronze. (Photo credit should read BENDRIHEM/AFP/Getty Images)

1984

12 AUG 1984: CONRAD HOMFELD OF THE UNITED STATES CLEARS A FENCE ON ABDULLAH DURING THE INDIVIDUAL JUMPING COMPETITION AT THE 1984 LOS ANGELES OLYMPICS. HOMFELD WON THE SILVER MEDAL AFTER A JUMP OFF WITH TEAM MATE AND CLOSE FRIEND JOE FARGIS OF THE USA.

1984 (2)

10 AUG 1984: MANUEL ESTIARTE OF SPAIN LEAPS OUT OF THE WATER TO THROW THE BALL DURING THE WATER POLO COMPETITION AT THE 1984 LOS ANGELES OLYMPICS.

1988

2 OCT 1988: ROBERT PARTIE OF THE UNITED STATES LEAPS UP TO SPIKE THE BALL OVER RAIMONDS VILDE OF THE SOVIET UNION DURING THE FINAL OF THE MENS VOLLEYBALL TOURNAMENT AT THE 1988 SEOUL OLYMPICS. THE UNITED STATES WON THE MATCH 13-15, 15-10, 15-4 AND 15-8TO CLAIM THE GOLD.

1988 (2)

2 Oct 1988: General view of the Olympic Stadium with the Olympic Flame during the Closing Ceremony of the 1988 Olympic Games in Seoul, South Korea. Mandatory Credit: David Cannon/Allsport

1992

7 AUG 1992: THE ATHLETES TACKLE THE WATER JUMP DURING THE MENS 3000 METRE STEEPLECHASE AT THE 1992 OLYMPICS HELD IN BARCELONA IN SPAIN.

1992 (2)

5 Aug 1992: The Australian Team celebrate after beating Holland in a semi-final of the Hockey event at the 1992 Olympic Games in Barcelona, Spain. Australia went on to win the silver medal. Mandatory Credit: Chris Cole/Allsport

1996

19 Aug 1996: A general view of the festivities going on during the Opening Ceremony of the 1996 Olympic Games at the Olympic Stadium in Atlanta, Georgia.

1996 (2)

3 Aug 1996: Sang Ok Oh of Korea takes at shot a goal during the match against Denmark at the Georgia World Congress at the 1996 Centennial Olympic Games in Atlanta, Georgia. Denmark beat Korea 37-33. Mandatory Credit: Doug Pensinger /Allsport

2000

29 Sep 2000: Rieko Matsunaga of Japan in action in the Rhythmic Gymnastics Individual All-Around Competition at Pavilion 3 on Day 14 of the Sydney 2000 Olympic Games in Sydney, Australia. Mandatory Credit: Shaun Botterill /Allsport

2000 (2)

24 Sep 2000: Ken Muhindi of Kenya crashes during the Mens Cross Country at the Fairfield City Farm on Day Nine of the Sydney 2000 Olympic Games in Sydney, Australia. Mandatory Credit: Mike Powell /Allsport

2004

ATHENS - AUGUST 29: Alexandros Nikolaidis of Greece (red) avoids a kick from Ibrahim Kamal of Jordan in the men's over 80 kg Taekwondo repechage match on August 29, 2004 during the Athens 2004 Summer Olympic Games at the Sports Pavilion part of the Faliro Coastal Zone Olympic Complex. (Photo by Donald Miralle/Getty Images)

2004 (2)

ATHENS - AUGUST 19: Michael Phelps of USA competes in the men's swimming 200 metre individual medley final on August 19, 2004 during the Athens 2004 Summer Olympic Games at the Main Pool of the Olympic Sports Complex Aquatic Centre in Athens, Greece. (Photo by Al Bello/Getty Images)

2008

BEIJING - AUGUST 24: A general view of the festivities in Beijing National Stadium during the Closing Ceremony for the Beijing 2008 Olympic Games on August 24, 2008 in Beijing, China. (Photo by Shaun Botterill/Getty Images)

2008 (2)

BEIJING - AUGUST 20: Mike Johnson #25 of Canada pitches while taking on Chinese Taipei during the preliminary basketball game at the Wukesong Baseball Field during Day 12 of the Beijing 2008 Olympic Games on August 20, 2008 in Beijing, China. (Photo by Mike Hewitt/Getty Images)

2012 Trials

OMAHA, NE - JUNE 29: Michael Phelps competes in preliminary heat 12 of the Men's 200 m Individual Medley during Day Five of the 2012 U.S. Olympic Swimming Team Trials at CenturyLink Center on June 29, 2012 in Omaha, Nebraska. (Photo by Jamie Squire/Getty Images)

2012 Trials (2)

EUGENE, OR - JUNE 23: (L-R) Michelle Perry and Lolo Jones compete in the women's 100 meter hurdles semi-final during Day Two of the 2012 U.S. Olympic Track & Field Team Trials at Hayward Field on June 23, 2012 in Eugene, Oregon. (Photo by Christian Petersen/Getty Images)