| 30/7/2005 |
| The greek water polo team wins the bronze medal, the first medal in a big tournament, at the XI FINA World Championships in Montreal, Canada defeating Croatia with 11-10 at extra time. Giorgos Afroudakis scores the winning goal 11 seconds before the end of the game. Serbia Montenegro wins the gold medal defeating Hungary with 8-7 at the gold medal match |
| 30/7/1998 |
| The 13th World Basketball Championship opens in Athens. Panagiotis Giannakis coaches the greek team, while his old teammate Panagiotis Fassoulas is the only player from the old squad of 1987 still active as Fanis Christodoulou announces that his injury forces him to quit the national team. Yugoslavia rank first, Greece fourth after losing to USA |
| 30/7/1996 |
| Nikos Kaklamanakis wins the olympic gold in Mistral class at the Atlanta Olympics. One year later, he will set out to cross the Aegean sea to promote Athens' candidacy for the 2004 Olympics |
| 30/7/1992 |
| Yael Arad's silver medal in judo is the first olympic medal for Israel |
| 30/7/1984 |
| German swimmer Michael Gross becomes the first double gold winner (200m free style and 100m butterfly) at the Los Angeles Olympics in 1984 |
| 30/7/1979 |
| The professional football team of AEK is formed with Loukas Barlos the first president |
| 30/7/1966 |
| A controversial goal marks the World Cup final in London. England take the lead (3-2) in the 10th minute of the extra time thanks to Geoff Hurst. The same player scores again (the only player who has scored a hat trick in a World Cup final) and England win the title by defeating West Germany 4-2. Portuguese legendary player Eusebio takes the top scorer award (9 goals) |
| 30/7/1961 |
| 22-year-old Aristidis Kamaras, brother of Giorgos, is transferred to Panathinaikos. The international defender, who made his debut with the national team in the previous year (3/7/1960) in Copenhagen (7-2), will become one of the leading Greek defenders. He will play with Panathinaikos until the end of the 1972-73 season and add to his record 30 caps |
| 30/7/1930 |
| Uruguay win the first World Cup after beating Argentina 4-2 at ''Centenario'' in front of 90.000 spectators. The Argentinian striker Guillermo Stabile scores to become the very first top scorer in World Cup history. Funnily the regulations do not specify which ball should be used since every country used their own. Thus, at the first half the ball of Argentina is used, giving them a lead of 2-1 while the ball of Uruguay is used at the second half |
| 30/7/1884 |
| Jack ''Nonpareil'' Dempsey wins the middleweight boxing title in New York after knocking out George Fulljames in round 22. It is the first boxing match fought under Queensbury rules |
| 30/7/1874 |
| Boston and Philadelphia are the first american baseball teams to play out of USA, in Great Britain |