Men's discus throw world record progression
Introduction Memorial circle at the Ludvík Daněk Town Stadium in Turnov, Czech Republic. The Czech  inscription translates as: "At this spot on August 2, 1964, Ludvík Daněk set world record in discus throw marking 64.55 m."The first '''world record''' in the '''men's discus''' was recognised by the International Association of Athletics Federations in 1912, and was set by James Duncan in 1912 (47.58 m).As of 2011, 42 world records have been ratified by the IAAF in the event. Another 14 are acknowledged but are unofficial, since they were set before the founding of IAAF.
Outdoor progression Mark Athlete  Date    Location    27 May 1912  New York    14 September 1924  Chicago    2 May 1925  San Francisco    3 April 1926  Palo Alto, California    9 April 1929  Palo Alto    17 May 1930  Palo Alto    23 August 1930  Pittsburgh    25 August 1934  Oslo    28 April 1935  Magdeburg, Germany    20 June 1941   Palo Alto   26 October 1941  Milan    14 April 1946  Milan    8 June 1946  Minneapolis, Minnesota    10 October 1948  Milan    9 July 1949  Lisbon    14 August 1949  Hämeenlinna, Finland    20 June 1953  Lincoln, Nebraska    11 July 1953  Pasadena, California    22 August 1953  Pasadena   14 June 1959  Warsaw    12 August 1960  Walnut, California    11 August 1961  Frankfurt, West Germany    20 August 1961  Brussels, Belgium    18 May 1962  Los Angeles    4 June 1962  Leningrad, USSR    1 July 1962  Chicago    27 April 1963  Walnut    25 April 1964  Walnut    2 August 1964  Turnov, Czechoslovakia    12 October 1965  Sokolov, Czechoslovakia    25 May 1968  Modesto, California    18 September 1968  Reno, Nevada    5 July 1972  Stockholm    14 March 1975  Stellenbosch, South Africa    3 May 1975  Long Beach, California    24 April 1976  Walnut    1 May 1976  San Jose, California    1 May 1976  San Jose    1 May 1976  San Jose    9 August 1978  Berlin    29 May 1983  Moscow    6 June 1986  Neubrandenburg, East GermanyOn 7 July 1981 Ben Plucknett of the United States won a meet in Stockholm with a world record throw of , but the record was nullified by the I.A.A.F. one week later when they announced that Plucknett had tested positive for the banned anabolic steroid nortestosterone.
Indoor world record progress RecordAthleteDateMeetPlaceRef9 January 1980Berlin, Germany22 March 2009World Record Indoor ChallengeVäxjö, Sweden
References * Discus throw records IAAF.org