Year 358 (CCCLVIII) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Datianus and Cerealis (or, less frequently, year 1111 Ab urbe condita). The denomination 358 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Both Finland and the Åland Islands share the same country code.

Year 358 (CCCLVIII) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Datianus and Cerealis (or, less frequently, year 1111 Ab urbe condita). The denomination 358 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Both Finland and the Åland Islands share the same country code.