The history of Port of Trelleborg goes back to the 16th century, but serious discussions to start port constructions began only in the middle of the 19th Century.
The Port company in Trelleborg was founded in 1861 and the first port constructions were completed in 1865.
Some of the other milestones in the history of the Port of Trelleborg:
| 1366 | The first time Port of Trelleborg is mentioned as some burghers seek a port of refuge during King Valdemar Atterdag’s war with the Hanseatic cities. |
| 1861 | The Port company in Trelleborg was founded |
| 1862 | The Commercial Port of Trelleborg received Royal approval. Frans Malmros’ MS NJORD was the first vessel calling at the port. |
| 1867 | Trelleborg became a city and the city council’s first case concerned the state’s takeover of the port that could be shaping up to a good business. |
| 1891 | The steamship Freja made a trial sailing between Trelleborg and Sassnitz. |
| 1897 | The continent line Trelleborg-Sassnitz was started in May. |
| 1909 | The Swedish State Railways decided to start rail ferry traffic with the continent and the selection of port on the Swedish side fell upon Trelleborg and on July 6 Kungsleden (the King’s Route) was inaugurated. |
| 1945 | Second World War ended (started in 1939) and survivors of the concentration camps arrived in Trelleborg in ships hired by the Red Cross. |
| 1962 | TT-Line opens the line Trelleborg–Travemünde and transferred 444 trucks the first year. |
| 2005 | Since October 31 in 2005, Trelleborgs Hamn AB (Port of Trelleborg) owns 100% of the entire port facility and related real estate |
| 2007 | Unity Lines opens the line Trelleborg-Swinoujcie, no traffic on this line since 1945. |
| 2012 | 150th Anniversary for Port of Trelleborg |
| 2013 | The new port was inaugurated with a dredged inner port and extended piers at 3 km at the same time the dredged material forms new land south of Trelleborg. |
| 2014 | TT-Line opens the line Trelleborg-Swinoujscie |
| 2014 | Stormwater purification for a third of Trelleborg city was inaugurated at the same time wind turbines were installed for electricity supply. Berth number 10 and a new intermodal terminal was inaugurated on October 14. |
| 2015 | Inauguration of the Central station and the arrival of “Pågatågen” in Trelleborg on December 12. |
| 2016 | Winner of “The Yearly award for Sustainable Community Building” regarding the Central Station. |
| 2017 | The 19th of July the first cruise ship (M / S Artania) entered the port. |
| 2017 | Inuauguration of onshore power supply for Stena Line’s two vessels M/S Skåne and M/S Mecklenburg-Vorpommern. |
| 2018 | M / S Peter Pan has been extended by 30 meters, now 220 meters long. |
| 2018 | New upgraded check-in opened on June 9. |
| 2018 | Unity Line extends its capacity with yet another vessel – M / S Copenicus |
| 2018 | TT-Line opens the line Trelleborg-Klaipeda |
| 2020 | TT-Line extends its capacity with yet another vessel – M / S Marco Polo |
| 2020 | Stena Line closes the Trelleborg – Sassnitz ferry route which has existed since 1909 |