Matches in DBpedia 2014 for { ?s ?p <http://dbpedia.org/resource/Category:United_States_Marine_Corps_in_the_20th_century> . }
- United_States_occupation_of_the_Dominican_Republic_(1965–66) subject Category:United_States_Marine_Corps_in_the_20th_century.
- Yumiko-chan_incident subject Category:United_States_Marine_Corps_in_the_20th_century.
- Category:Military_units_and_formations_of_the_United_States_in_the_Banana_Wars broader Category:United_States_Marine_Corps_in_the_20th_century.
- Category:Occupied_Japan broader Category:United_States_Marine_Corps_in_the_20th_century.
- Category:United_States_Marine_Corps_in_World_War_II broader Category:United_States_Marine_Corps_in_the_20th_century.
- Category:United_States_Marine_Corps_in_the_Vietnam_War broader Category:United_States_Marine_Corps_in_the_20th_century.