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| 30/12/1979 | Building contract |
| 18/2/1980 | Keel laid |
| 25/7/1980 | Launch |
| 30/3/1981 | Ship was named M/S Finlandia by Tellervo Koivisto |
| 30/3/1981 | Delivered to Effoa (SHO). Helsinki, Finland. |
| 1/4/1981 | Helsinki – Stockholm route on Silja Line service |
| 10/1/1981 – 10/3/1982 | Build new bow on ship and build more cabins and modified restaurants |
| 1/1985 | Build new Conference rooms and Auditorium |
| 31/8/1988 | Sold to Suomen Yritysrahoitus Oy, continue Silja Line service |
| 11/5/1990 | Sold to DFDS A/S. Refurbished on Cityvarvet, Göteborg |
| 1/6/1990 | Oslo – Helsingborg – Copenhagen route |
| 1/2000 | Build new bow and sponsons on Remontowa, Poland |
| 28/6/2001 | Ijmuinde – Newcastle route |
| 29/5/2007 | Bergen – Haugesund – Stavanger – Newcastle route. |
| 1/9/2008 | UK – Norway route closed |
| 3/9/2008 | Laid up on Korsør, Denmark for sale. |
| 13/2/2009 | Used as Hotelship on Oskarshamn, Sweden |
| 16/4/2009 | Fire on engineroom when ship was on Oskarshamn. |
| 15/5/2009 | As announced on 12 May 2009 an agreement was entered into to sell the passenger ship QUEEN OF SCANDINAVIA to foreign |
| | interests subject to payment of a deposit by Friday 15 May 2009. |
| 20/5/2009 | Agreement on sale of ship cancelled |
| 19/6/2009 | Laid up on Klaipeda |
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| 2/12/2009 | Chartered to floating hotel accommodation during the upcoming COP-15 summit in Copenhagen |
| 22/12/2009 | Laid up on Fredericia , Denmark |
| 1/2010 | Russian company St. Peter Line publish plan start operate St. Petersburg – Helsinki route on Queen of Scandianavia and |
| | rename ship Princess Maria. Route will opened on April. |
| 8/2/2010 | charter of the passenger ship QUEEN OF SCANDINAVIA for a three year period from 15 April 2010. The agreement includes |
| | purchase options and all conditions precedent for the agreement have been fulfilled. The charter agreement is entered into with Inflot |
| | Cruise and Ferry Ltd. headquartered in i St. Petersburg, Russia. |
| 9/4/2010 | Ceremony of reflagging was held on board of the m/v Princess Maria, the Danish flag has been retreated and the Maltese flag was raised. |
| 18/4/2010 | From Fredericia to St.Petersburg where arrived 21th April |
| 21/4/2010 | St.Petersburg – Helsinki route |
| 30/10/2011 | St. Petersburg – Helsinki – Tallinn route |
| 16/1-3/2/2012 | Drydocking |
| 3/2/2012 | St.Petersburg – Helsinki route |
| 1/1-28/2/2013 | Docking and charters |
| 1/3/2013 | St.Petersburg – Helsinki route |
| 17/1-2/2/2014 | Cruise St. petersburg – Sochi |
| 2/2/2014 | Stay as accommodation ship on Sochi winter olympic games |
| 23/3/2014 | St.Petersburg – Helsinki route |
| 11/11/2016 | End of last voyage from Helsinki to St. Petersburg. |
| 11/11/2016 | Delivered to Moby Spa. New name Moby Dada, Italian flag. |
| 17-26/11/2016 | Voyage from St. Petersburg to Livorno, Italy |
| 6/2017 | Nice – Bastia route |
| 20/9-17/11/2017 | Charter to Spain Goverment |
| 12/2017 | Operated Tirrenia |
| 12/2017 | Cagliari – Civitavecchia route. |
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| 20/10/2018 | Three hour black out at sea. |
| 19/12/2018 | Many hours delay due to dirty fuel. |
| 19/11/2019 | Black out and problems with main engines, 9 hours delayed |
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| 1/2024 | Charter to Algerie Ferries. |
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