Great Britain, represented by the British Olympic Association (BOA), competed at the 1972 Summer Olympics in Munich, West Germany. 284 competitors, 210 men and 74 women, took part in 159 events in 18 sports. British athletes have competed in every Summer Olympic Games.
Portugal competed at the 1984 Summer Olympics in Los Angeles, United States.
Switzerland competed at the 2000 Summer Olympics in Sydney, Australia. 102 competitors, 64 men and 38 women, took part in 82 events in 19 sports.
Belgium competed at the 2000 Summer Olympics in Sydney, Australia.
New Zealand competed at the 2000 Summer Olympics in Sydney, Australia. The New Zealand Olympic Committee was represented by 151 athletes and 100 officials.
The Czech Republic competed at the 2000 Summer Olympics in Sydney, Australia.
Kazakhstan competed at the 2000 Summer Olympics in Sydney, Australia. 130 competitors, 86 men and 44 women, took part in 104 events in 17 sports.
The Netherlands competed at the 1988 Summer Olympics in Seoul, Republic of Korea. 147 competitors, 93 men and 54 women, took part in 86 events in 17 sports.
Sweden competed at the 1992 Summer Olympics in Barcelona, Spain. 187 competitors, 143 men and 44 women, took part in 121 events in 22 sports.
Portugal competed at the 1992 Summer Olympics in Barcelona, Spain. 90 competitors, 68 men and 22 women, took part in 71 events in 14 sports.
Mexico competed at the 2000 Summer Olympics in Sydney, Australia.
Romania competed at the 1996 Summer Olympics in Atlanta, United States. 165 competitors, 98 men and 67 women, took part in 122 events in 18 sports.
Ireland competed at the 2000 Summer Olympics in Sydney, Australia.
Athletes from East Germany competed at the 1980 Summer Olympics in Moscow, USSR. 346 competitors, 222 men and 124 women, took part in 167 events in 17 sports.
Kenya competed at the 1984 Summer Olympics in Los Angeles, United States. After a twelve-year absence, the nation returned to the Olympic Games after boycotting both the 1976 and 1980 Games.
Canada competed at the 1964 Summer Olympics in Tokyo, Japan. 115 competitors, 95 men and 20 women, took part in 92 events in 16 sports.
The Men's 100m T46 had its first round held on September 14 at 17:05 and the Final on September 15 at 10:24.
The Men's 200m T13 had its First Round held on September 15 at 9:46 and its Final on September 16 at 19:28.
The Men's 200m T46 had its first round held on September 8 at 9:15 and the Final on September 9 at 18:16.
Guinea-Bissau made its Paralympic Games debut by sending a delegation to compete at the 2012 Summer Paralympics in London, United Kingdom, having made its Olympic debut at 1996 Games. The delegation consisted of two athletes, Cesar Lopes Cardoso and Ussumane Cande, who both competed in track and field events. Neither athlete won a medal, with neither getting past the first round of their events.
