| 27/1/2021 | Brazilian football prodigy Kauan Basile playing for the Santos’ U-9 indoor football team signs with Nike at just 8-years-old becoming the youngest player ever to sign a deal with Nike. Messi put pen to paper on his first Nike contract aged 15, while Neymar was 13. |
| 27/1/2018 | The ASE Doukas - Elite match for the 19th matchday of Futsal Super League is played at DAIS Sports Center. Giorgos Karabelas, at the age of 14 years and 13 days (plays at the Children's category), becomes the youngest athlete of the Doukas futsal team that plays with the men’s team and one of the youngest athletes who compete in the National Futsal championship (and later Futsal Super League). |
| 27/1/2007 | Sotiris Ninis, aged 16 years and 299 days (born on 3/4/1990) scores Panathinaikos’ second goal against Panionios on the 46th minute, and becomes the youngest scorer of Panathinaikos in the professional football championship. |
| 27/1/1996 | Ethiopian runner Haile Gebrselassie sets world indoor 5000m record with 13'10''.98 |
| 27/1/1965 | PAOK are crushed by Olympiacos 0-4 at Toumba. Eleven years later PAOK will take their revenge at Karaiskakis Stadium (Olympiacos-PAOK 0-4) |
| 27/1/1944 | Athanassios Sembos makes the first attempt to set up a journalists' union after the war ends. The second attempt will take place on May 17, 1947. The union will assume legal existence after 1952 |
| 27/1/1934 | Fred Perry wins the 27th Australian Open, defeating Jack Crawford with 6-3, 7-5, 6-1 |
| 27/1/1927 | Harlem Globetrotters play their first match in Hinkley, Illinois |
| 27/1/1926 | First public demonstration of television by John L. Baird in London |
| 27/1/1911 | Henry Rougier wins the first Monte Carlo rally driving a Turcat-Mery |
| 27/1/1906 | Rudolf Gundersen breaks the world ice skating record in the 50m competition with 44.8’’ |
| 27/1/1894 | First intercollegiate basketball game. University of Chicago beat Chicago YMCA 19-11 |