At the 1908 Summer Olympics in London, nine wrestling events were contested, all for men. There were four weight classes in Greco-Roman wrestling and five weight classes in freestyle wrestling.
Poland competed at the 1988 Summer Olympics in Seoul, Korea. Poland returned to the Summer Olympic Games after having boycotted the 1984 Summer Olympics. 143 competitors, 111 men and 32 women, took part in 105 events in 19 sports.
Bulgaria competed at the 1964 Summer Olympics in Tokyo, Japan. 63 competitors, 56 men and 7 women, took part in 56 events in 9 sports.
Finland competed at the 1936 Summer Olympics in Berlin, Germany. 108 competitors, 103 men and 5 women, took part in 70 events in 14 sports.
Mongolia competed at the 1968 Summer Olympics in Mexico City, Mexico. 16 competitors, 12 men and 4 women, took part in 26 events in 4 sports.
The welterweight was the second-heaviest freestyle wrestling weight class held as part of the Wrestling at the 1904 Summer Olympics programme. It was the first time the event, like all other freestyle wrestling events, was held in Olympic competition. Ten wreslets competed.
Ivar Valentin Johansson was a Swedish wrestler who competed at the 1928, 1932 and 1936 Summer Olympics. In 1932 he won the gold medal in the Greco-Roman welterweight and freestyle middleweight events. Four years later he won the gold medal in the Greco-Roman middleweight competition.
The men's freestyle featherweight was a freestyle wrestling event held as part of the Wrestling at the 1924 Summer Olympics programme. It was the fourth appearance of the event. Featherweight was the second-lightest category, including wrestlers weighing from 56 kilograms to 61 kilograms.
The men's freestyle lightweight was a freestyle wrestling event held as part of the Wrestling at the 1924 Summer Olympics programme. It was the fourth appearance of the event. Lightweight was the third-lightest category, including wrestlers weighing from 61 to 66 kilograms.
The men's freestyle welterweight was a freestyle wrestling event held as part of the Wrestling at the 1924 Summer Olympics programme. It was the second appearance of the event. Welterweight was the middle category, including wrestlers weighing from 66 to 72 kilograms.
The men's freestyle bantamweight was a freestyle wrestling event held as part of the Wrestling at the 1928 Summer Olympics programme. It was the fourth appearance of the event. Bantamweight was the lightest category, including wrestlers weighing up to 56 kilograms. Kaarlo Mäkinen, the silver medalist at the previous Games, won the event.
The men's freestyle featherweight was a freestyle wrestling event held as part of the Wrestling at the 1928 Summer Olympics programme. It was the fifth appearance of the event. Featherweight was the second-lightest category, including wrestlers weighing up to 61 kilograms. Kustaa Pihlajamäki, who had won gold in the lighter bantamweight class in 1924, took silver.
The men's freestyle lightweight was a freestyle wrestling event held as part of the Wrestling at the 1928 Summer Olympics programme. It was the fifth appearance of the event. Lightweight was the third-lightest category, including wrestlers weighing up to 65 kilograms. Eino Leino won his third Olympic medal, a bronze to go with his 1920 middleweight gold and 1924 welterweight silver.
The men's freestyle middleweight was a freestyle wrestling event held as part of the Wrestling at the 1928 Summer Olympics programme. It was the fourth appearance of the event. Middleweight was the third-heaviest category, including wrestlers weighing up to 79 kilograms.
The men's freestyle light heavyweight was a freestyle wrestling event held as part of the Wrestling at the 1928 Summer Olympics programme. It was the third appearance of the event. Light heavyweight was the second-heaviest category, including wrestlers weighing up to 87 kilograms.
The men's freestyle heavyweight was a freestyle wrestling event held as part of the Wrestling at the 1928 Summer Olympics programme. It was the fifth appearance of the event. Heavyweight was the heaviest category, including wrestlers weighing over 87 kilograms.
Haiti competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's sixteenth appearance at the Summer Olympics since its debut in 1900.
The men's Greco-Roman welterweight competition at the 1932 Summer Olympics in Los Angeles took place from 4 August to 7 August at the Grand Olympic Auditorium. Nations were limited to one competitor. It was the first appearance of the event; at the previous two Olympics, the welterweight class had been exclusive to freestyle wrestling. This weight class was limited to wrestlers weighing up to 72 kg.
The men's freestyle welterweight competition at the 1932 Summer Olympics in Los Angeles took place from 1 August to 3 August at the Grand Olympic Auditorium. Nations were limited to one competitor. This weight class was limited to wrestlers weighing up to 72kg.
