It was published as a series of 11 volumes with more than 150,000 entries between 1969 and 1974.
It describes subjects from a Finnish point of view.
It was run by editors in chief Veli Valpola and Maija Numminen and published by Tietosanakirja Oy.
[1] Editions were eventually also published on CD-ROM, and Facta finally lived as an Internet service, but was discontinued at the end of 2011 as unprofitable.
You can help Wikipedia by expanding it.This article about mass media in Finland is a stub.