Mare clausum defended a "Mare clausum" policy during the age of discovery. This was soon challenged by other European nations. From 30 BC to 117 AD the Roman Empire came to surround the Mediterranean by controlling most of its coasts. Romans started then to name this sea "mare nostrum" (Latin for "our sea"). At those times the period between November and March was considered the most dangerous for navigation, so it was declared ""mare clausum"" (closed sea), although bans on navigation were probably never enforced. In classical law the ocean was not territorial. However, since the Middle Ages maritime republics like the
Mare Nostrum (video game) around Sicily and main land Italy. The first public release of the modification was on 1 March 2008. Subsequent additional releases quickly came to address software bugs and gameplay issues with the 1.1 release on 8 March 2008 and 1.2 release on 23 March 2008. On October 17, 2008, "Mare Nostrum" was released on Steam. Due to Steam's automatic update feature, version numbers were dropped and all further versions were released exclusively on Steam. On December 11, 2009 "Mare Nostrum" received a large content update through Steam which added Steam Achievements, making it the first Red Orchestra mod to do