Matches in DBpedia 2014 for { ?s <http://xmlns.com/foaf/0.1/primaryTopic> ?o. }
- 1981_NCAA_Division_I_Men's_Ice_Hockey_Tournament primaryTopic 1981_NCAA_Division_I_Men's_Ice_Hockey_Tournament.
- 1981_NCAA_Division_I_Men's_Lacrosse_Championship primaryTopic 1981_NCAA_Division_I_Men's_Lacrosse_Championship.
- 1981_NCAA_Division_I_Men's_Soccer_Championship primaryTopic 1981_NCAA_Division_I_Men's_Soccer_Championship.
- 1981_NCAA_Division_I_Women's_Volleyball_Tournament primaryTopic 1981_NCAA_Division_I_Women's_Volleyball_Tournament.
- 1981_NCAA_Division_I_baseball_rankings primaryTopic 1981_NCAA_Division_I_baseball_rankings.
- 1981_NCAA_Men's_Basketball_All-Americans primaryTopic 1981_NCAA_Men's_Basketball_All-Americans.
- 1981_NCAA_Men's_Division_II_Basketball_Tournament primaryTopic 1981_NCAA_Men's_Division_II_Basketball_Tournament.
- 1981_NCAA_Men's_Division_I_Basketball_Tournament primaryTopic 1981_NCAA_Men's_Division_I_Basketball_Tournament.
- 1981_NCAA_Men's_Division_I_Ice_Hockey_Tournament primaryTopic 1981_NCAA_Men's_Division_I_Ice_Hockey_Tournament.
- 1981_NCAA_Tournament primaryTopic 1981_NCAA_Tournament.
- 1981_NFC_Championship_Game primaryTopic 1981_NFC_Championship_Game.
- 1981_NFL_Draft primaryTopic 1981_NFL_Draft.
- 1981_NFL_Season primaryTopic 1981_NFL_Season.
- 1981_NFL_draft primaryTopic 1981_NFL_draft.
- 1981_NFL_season primaryTopic 1981_NFL_season.
- 1981_NHK_Trophy primaryTopic 1981_NHK_Trophy.
- 1981_NHL_All-Star_Game primaryTopic 1981_NHL_All-Star_Game.
- 1981_NHL_Draft primaryTopic 1981_NHL_Draft.
- 1981_NHL_Entry_Draft primaryTopic 1981_NHL_Entry_Draft.
- 1981_NIT primaryTopic 1981_NIT.
- 1981_NLCS primaryTopic 1981_NLCS.
- 1981_NLDS primaryTopic 1981_NLDS.
- 1981_NSWRFL_Premiership primaryTopic 1981_NSWRFL_Premiership.
- 1981_NSWRFL_season primaryTopic 1981_NSWRFL_season.
- 1981_NatWest_Trophy primaryTopic 1981_NatWest_Trophy.
- 1981_National_Basketball_Association_All-Star_Game primaryTopic 1981_National_Basketball_Association_All-Star_Game.
- 1981_National_Basketball_Association_Draft primaryTopic 1981_National_Basketball_Association_Draft.
- 1981_National_Basketball_Association_Finals primaryTopic 1981_National_Basketball_Association_Finals.
- 1981_National_Basketball_Association_Playoffs primaryTopic 1981_National_Basketball_Association_Playoffs.
- 1981_National_Board_of_Review_Awards primaryTopic 1981_National_Board_of_Review_Awards.
- 1981_National_Challenge_Cup primaryTopic 1981_National_Challenge_Cup.
- 1981_National_Football_League_Draft primaryTopic 1981_National_Football_League_Draft.
- 1981_National_Football_League_season primaryTopic 1981_National_Football_League_season.
- 1981_National_Hockey_League_Entry_Draft primaryTopic 1981_National_Hockey_League_Entry_Draft.
- 1981_National_Invitation_Tournament primaryTopic 1981_National_Invitation_Tournament.
- 1981_National_League_Championship_Series primaryTopic 1981_National_League_Championship_Series.
- 1981_National_League_Division_Series primaryTopic 1981_National_League_Division_Series.
- 1981_National_League_Division_Series_broadcasters primaryTopic 1981_National_League_Division_Series_broadcasters.
- 1981_National_Scout_Jamboree primaryTopic 1981_National_Scout_Jamboree.
- 1981_National_Soccer_League primaryTopic 1981_National_Soccer_League.
- 1981_Nebraska_Cornhuskers_football_team primaryTopic 1981_Nebraska_Cornhuskers_football_team.
- 1981_New_England_Patriots_season primaryTopic 1981_New_England_Patriots_season.
- 1981_New_Orleans_Saints_season primaryTopic 1981_New_Orleans_Saints_season.
- 1981_New_Year_Honours primaryTopic 1981_New_Year_Honours.
- 1981_New_York_Cosmos_season primaryTopic 1981_New_York_Cosmos_season.
- 1981_New_York_Film_Critics_Circle_Awards primaryTopic 1981_New_York_Film_Critics_Circle_Awards.
- 1981_New_York_Giants_season primaryTopic 1981_New_York_Giants_season.
- 1981_New_York_Jets_season primaryTopic 1981_New_York_Jets_season.
- 1981_New_York_Mets_season primaryTopic 1981_New_York_Mets_season.
- 1981_New_York_Yankees_season primaryTopic 1981_New_York_Yankees_season.
- 1981_New_Zealand_National_Soccer_League primaryTopic 1981_New_Zealand_National_Soccer_League.
- 1981_New_Zealand_rugby_league_season primaryTopic 1981_New_Zealand_rugby_league_season.
- 1981_New_Zealand_rugby_union_tour_of_Romania_and_France primaryTopic 1981_New_Zealand_rugby_union_tour_of_Romania_and_France.
- 1981_North_American_Soccer_League_season primaryTopic 1981_North_American_Soccer_League_season.
- 1981_North_Indian_Ocean_cyclone_season primaryTopic 1981_North_Indian_Ocean_cyclone_season.
- 1981_Northern_Illinois_Huskies_football_team primaryTopic 1981_Northern_Illinois_Huskies_football_team.
- 1981_Norwegian_First_Division primaryTopic 1981_Norwegian_First_Division.
- 1981_Norwegian_Football_Cup primaryTopic 1981_Norwegian_Football_Cup.
- 1981_Notre_Dame_Fighting_Irish_football_team primaryTopic 1981_Notre_Dame_Fighting_Irish_football_team.
- 1981_O-Pee-Chee primaryTopic 1981_O-Pee-Chee.
- 1981_O-Pee-Chee_(Baseball) primaryTopic 1981_O-Pee-Chee_(Baseball).
- 1981_Oakland_Athletics_season primaryTopic 1981_Oakland_Athletics_season.
- 1981_Oakland_Raiders_season primaryTopic 1981_Oakland_Raiders_season.
- 1981_Ohio_State_Buckeyes_football_team primaryTopic 1981_Ohio_State_Buckeyes_football_team.
- 1981_Oklahoma_Sooners_football_team primaryTopic 1981_Oklahoma_Sooners_football_team.
- 1981_Ontario_election primaryTopic 1981_Ontario_election.
- 1981_Open_Championship primaryTopic 1981_Open_Championship.
- 1981_Oregon_Ducks_football_team primaryTopic 1981_Oregon_Ducks_football_team.
- 1981_Országos_Bajnokság_I_(men's_water_polo) primaryTopic 1981_Orsz%C3%A1gos_Bajnoks%C3%A1g_I_(men's_water_polo).
- 1981_Oscars primaryTopic 1981_Oscars.
- 1981_Ottawa_Rough_Riders_season primaryTopic 1981_Ottawa_Rough_Riders_season.
- 1981_PBA_Open_Conference_Finals primaryTopic 1981_PBA_Open_Conference_Finals.
- 1981_PBA_Reinforced_Filipino_Conference_Finals primaryTopic 1981_PBA_Reinforced_Filipino_Conference_Finals.
- 1981_PBA_season primaryTopic 1981_PBA_season.
- 1981_PGA_Championship primaryTopic 1981_PGA_Championship.
- 1981_PGA_Tour primaryTopic 1981_PGA_Tour.
- 1981_PHS primaryTopic 1981_PHS.
- 1981_PPG_Indy_Car_World_Series_season primaryTopic 1981_PPG_Indy_Car_World_Series_season.
- 1981_PTS primaryTopic 1981_PTS.
- 1981_Pacific_hurricane_season primaryTopic 1981_Pacific_hurricane_season.
- 1981_Pacific_typhoon_season primaryTopic 1981_Pacific_typhoon_season.
- 1981_Pakistan_Census primaryTopic 1981_Pakistan_Census.
- 1981_Pakistan_International_Airlines_Boeing_720_hijacking primaryTopic 1981_Pakistan_International_Airlines_Boeing_720_hijacking.
- 1981_Pakistan_International_Airlines_hijacking primaryTopic 1981_Pakistan_International_Airlines_hijacking.
- 1981_Pakistani_Census primaryTopic 1981_Pakistani_Census.
- 1981_Palanca_Awards primaryTopic 1981_Palanca_Awards.
- 1981_Panamanian_Air_ForceTwin_Otter_crash primaryTopic 1981_Panamanian_Air_ForceTwin_Otter_crash.
- 1981_Panamanian_Air_Force_Twin_Otter_crash primaryTopic 1981_Panamanian_Air_Force_Twin_Otter_crash.
- 1981_Paris-Dakar_Rally primaryTopic 1981_Paris-Dakar_Rally.
- 1981_Paris-Roubaix primaryTopic 1981_Paris-Roubaix.
- 1981_Paris_Open primaryTopic 1981_Paris_Open.
- 1981_Paris_Open_-_Doubles primaryTopic 1981_Paris_Open_-_Doubles.
- 1981_Paris_Open_-_Singles primaryTopic 1981_Paris_Open_-_Singles.
- 1981_Paris_Open_–_Doubles primaryTopic 1981_Paris_Open_%E2%80%93_Doubles.
- 1981_Paris_Open_–_Singles primaryTopic 1981_Paris_Open_%E2%80%93_Singles.
- 1981_Paris–Dakar_Rally primaryTopic 1981_Paris%E2%80%93Dakar_Rally.
- 1981_Paris–Roubaix primaryTopic 1981_Paris%E2%80%93Roubaix.
- 1981_Peach_Bowl primaryTopic 1981_Peach_Bowl.
- 1981_Peach_Bowl_(December) primaryTopic 1981_Peach_Bowl_(December).
- 1981_Peach_Bowl_(January) primaryTopic 1981_Peach_Bowl_(January).