Mens gymnastics :
Albert Seguin of France scored 10 on the side horse at the 1924 Olympics.
22 gymnasts scored a 10 in the AA competition at this Olympics in ...rope-climbing.The gymnast had to climb a 25-foot rope from a standing position in 9 seconds or less.
Leon Stukelj scored a 10 on rings at the 1926 World Championships.
Eugen Mack of Switzerland received 2 perfect scores of 10.00 in vaulting at the 1934 World Championships.
Grant Shaginyan scored 4 10's at a 1949 dual meet between the USSR and Hungary.He received perfect scores for his compulsory pommel horse exercise and his optional exercises on pommel horse,parallel bars and rings.
Hans Eugster (Switzerland)scored 10 on the compulsory parallel bars at the 1950 World Championships.
At the 1953 NAAU championships in the USA Charlie Simms got a perfect score on high bar.
Cerar of Yugoslavia was scored a 10 by 1 judge on pommel-horse in both optionals and event final in the 1962 World Championships.
Nik Stuart scored a 10 on high bar at the 1963 British Championships.
Mikhail Voronin recieved a 10 on rings at the 1965 USSR Championships and ,while it wasn't his final score,one judge gave him a 10 at 1966 Worlds - i can't remember if it was rings or high bar.
In women's gymnastics the 10's came later.
At the 1958 World Championships the South African judge scored Bosakova of Czechoslovakia a 10 on beam.
Muratova was scored 10 by 1 judge at the 1963 USSR Championships for her bars exercise.
10 was given to US gymnast Muriel Grossfeld for her fx at the 1964 US Olympic trials.(She is one of only 4 US female gymnasts to have competed at three Olympics).
In 1966 Vera Caslavska scored 10 at the Czechoslovakian national championships.
In 1966,in a junior competition,Liepaya All-Union meet in Latvia,Olga Korbut scored a 10 on assymetric bars.
At the 1966 World championships 1 judge scored Natalia Kuchinskaya a 10 for her beam exercise.
Also at 66 Worlds 2 judges scored Drougnina 10 on fx in event final.
In 1967 at the European championships Caslavska scored 10 for both her beam and floor routines during event finals.
At the 1968 East German championships Zuchold scored 10's on floor and vault.Janz also scored a 10 on vault.
At the 1974 world championships 1 judge scored Ludmilla Turischeva a 10 on floor.
Also at the 1974 World championships 2 judges scored Annelore Zinke a 10 on bars in AA final.
At the 1975 Romanian national championships Nadia Comaneci Scored her first 10's.
At the 1976 East German championships Marina Schalck scored a 10 on beam.Carola Dombeck twice scored a 10 on bars.
In 1976 Nadia Comaneci scored 6 tens in a dual meet Romania v Holland ; she scored 4 tens in a dual meet Romania v West Germany; She scored 4 tens at the Romanian Olympic trials;She scored 2 tens at the American Cup.Ungureanu scored a 10 on beam at 76 Romanian nationals