Olympic Games At the 1896 Olympics only the first two received a medal; silver for first and bronze for second. The current three-medal format was introduced at the 1904 Olympics. From 1948 onward athletes placing fourth, fifth, and sixth have received certificates, which became officially known as victory diplomas; in 1984 victory diplomas for seventh- and eighth-place finishers were added. At the 2004 Summer Olympics in Athens, the gold, silver, and bronze medal winners were also given olive wreaths. The IOC does not keep statistics of medals won on a national level (except for team sports), but NOCs and the media record
Tennis at the 1896 Summer Olympics including weightlifter Momčilo Tapavica, hammer thrower George S. Robertson and 800-metres runners Edwin Flack and Friedrich Traun. These medals are retroactively assigned by the International Olympic Committee; at the time, winners were given a silver medal and runners-up bronze medals. Athletes coming third received no award. The doubles team of Kasdaglis and Petrokokkinos appears in the IOC results database as a mixed team. Kasdaglis is listed as Greek in the database for the singles event. Petrokokkinos, not having won a singles medal, is not identified with any nation in the IOC database; however, all sources which do give a nationality