---2006 (March) Dirty Rat announces 'Afrika Campaign Mod' as the first RO MOD to enter development *Source
---2006 (March) 'Afrika Campaign' changes name to 'Burning Sands: Afrikafeldzug 40-43' and is the first RO MOD to be added to MODdb *Source1 **Source2
---2006 (March) Psycho Sam announces that 'Italian Modification' is entering development *Source
---2006 (April) 'Italian Modification' changes name to 'Campagna-Italiana' and offical website goes online *Source
---2006 (August) Manstein announces that 'Burning Sands' and 'Campagna-Italiana' mod teams have merged and have changed name to 'Mare Nostrum'. The official Mare Nostrum website is also launched. *Source1 **Source2
---2006 (October) Michael Wittmann+ announces that 'Darkest Hour: Normandy 1944' is entering development. Two high profile members from the 'Mare Nostrum' team TMan and Anenas2020 join 'Darkest Hour'. *Source
---2008 (March) After almost two years in development the Open Beta for Mare Nostrum is released. *Source
---2008(April) Psycho Sam announces the 'Mare Nostrum - El-Alamein Mapping Contest' *Source
---2008(October) 'Mare Nostrum 1.3' is announced as the first third party game MOD to be made available through Steam and the first RO MOD to be made available on Steam. *Source
---2009(December) 'Mare Nostrum 1.4' is released along with 26 brand new Steam achievements! *Source
---2010(April) The Mare Nostrum 1.41 Patch release is the last by the Mare Nostrum development team *Source