Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/7606
Is Reference of International Maritime Day-en#Sense
Día Marítimo Mundial-es#Sense
Journée maritime mondiale-fr#Sense
Verdens søfartsdag-da#Sense
Maailman merenkulkupäivä-fi#Sense