The countries of Belarus, Finland, Lithuania, Poland, Russian Federation, and Ukraine jointly nominated its family archives to the UNESCO Memory of the World Register in 2008, and they were inscribed on the Register in 2009.
Bjelorusija, Finska, Litva, Poljska, Rusija i Ukrajina zajedno su nominirali arhive loze Radziwiłł za upis u UNESCO-v Registar dokumenata svjetske važnosti te su i upisani u Registar 2009. godine.