| 23/3/2025 | The Greek national football team defeats Scotland 0-3 at Hampden Park in Glasgow (0-1 in the first match at “Georgios Karaiskakis”) and is promoted to League A of the UEFA Nations League for the first time in their history. 17-year-old Konstantinos Karetsas who scores the 0-2 (his first goal with the National Team) becomes the youngest scorer (17 years, 4 months and 4 days) in the team's history, breaking the record of Sotiris Ninis who, at the age of 18 years, 1 month and 16 days, had scored in his first match Greece - Cyprus (2–0) at the Pampeloponnisiako Stadium, on 19/5/2008 and had broken the record of Kostas Eleftherakis from 1969. |
| 23/3/2024 | 28-year-old Elisavet Teltsidou wins the bronze medal, and 7th personal medal in a Grand Slam, in Tbilishi. The Greek judoka finished in third place in just 39 seconds in 2 matches. She defeated Jaeger of the Netherlands in 26 seconds, while she took the bronze medal after defeating Australia's Googlan in 13 seconds with an impressive tsuri-goshi from the left side. |
| 23/3/2022 | 25-year-old Australina tennis player Ashleigh Barty announces her early retirement from tennis. She finishes her career with 15 titles and three major singles titles — the French Open (2019), Wimbledon (2021) and this year's Australian Open. She was world number one for a total of 121 weeks, a stint that included a streak of 114 consecutive weeks, which is the fourth longest in WTA Tour history. |
| 23/3/2021 | McLaren signs a long-term agreement with 13-year-old Ugo Ugochukwu, a promising karting champion from the United States. Ugochukwu has already claimed several titles in the US and Europe and was recently crowned FIA European karting champion. |
| 23/3/2020 | ESAKE decides to permanently cancel the championship of the Division A1 of the Greek Basketball Championship due to the COVID-19 (coronavirus) global pandemic |
| 23/3/2017 | 50m breast stroke paralympic winner and the flag-bearer, Vassilis Tsaggaris, shoots and kills in his agency in Moschato the 47-year-old hotel owner Marios Loukopoulos |
| 23/3/1999 | Swedish high jumper Patrick Sjoberg, 1987 world champion (2.42m), announces his retirement at the age of 34 |
| 23/3/1996 | Nikos Kaklamanakis wins the gold medal at the Mistral World Championship in Haifa, Israel |
| 23/3/1992 | 6.000.000 points scored in NBA |
| 23/3/1986 | Martina Navratilova defeats Hana Mandlikova for the Virginia Slims Championship, the first game played in 4 sets since 1901 |
| 23/3/1981 | British motorcycle champion Mike Hailwood dies in a car accident near his home |
| 23/3/1980 | Milan vice president Felice Colombo is arrested and faces charges concerning illegal betting. Football players Paolo Rossi, Albertosi, Savoldi and Jordano are imprisoned. Milan and Lazio relegate to second division |
| 23/3/1972 | Evel Knievel breaks 93 bones when he attempts to jump over 35 parked cars with his motorcycle |
| 23/3/1910 | First car race at the Los Angeles Motordome (first US speedway) |
| 23/3/1886 | Amateur Athletic Club sponsors the first English Athletics Championships at Walham Green, London |
