Matches in DBpedia 2014 for { ?s <http://xmlns.com/foaf/0.1/primaryTopic> ?o. }
- 1981_Big_East_Men's_Basketball_Tournament primaryTopic 1981_Big_East_Men's_Basketball_Tournament.
- 1981_Big_Ten_Conference_Baseball_Tournament primaryTopic 1981_Big_Ten_Conference_Baseball_Tournament.
- 1981_Birthday_Honours primaryTopic 1981_Birthday_Honours.
- 1981_Bluebonnet_Bowl primaryTopic 1981_Bluebonnet_Bowl.
- 1981_Boise_State_Broncos_football_team primaryTopic 1981_Boise_State_Broncos_football_team.
- 1981_Bolivarian_Games primaryTopic 1981_Bolivarian_Games.
- 1981_Bordeaux_Open primaryTopic 1981_Bordeaux_Open.
- 1981_Boston_Red_Sox_season primaryTopic 1981_Boston_Red_Sox_season.
- 1981_Brazilian_Grand_Prix primaryTopic 1981_Brazilian_Grand_Prix.
- 1981_Brinks_robbery primaryTopic 1981_Brinks_robbery.
- 1981_Bristol_Open primaryTopic 1981_Bristol_Open.
- 1981_Bristol_Open_–_Doubles primaryTopic 1981_Bristol_Open_%E2%80%93_Doubles.
- 1981_Bristol_Open_–_Singles primaryTopic 1981_Bristol_Open_%E2%80%93_Singles.
- 1981_Bristow_Helicopters_Westland_Wessex_crash primaryTopic 1981_Bristow_Helicopters_Westland_Wessex_crash.
- 1981_British_Grand_Prix primaryTopic 1981_British_Grand_Prix.
- 1981_British_Home_Championship primaryTopic 1981_British_Home_Championship.
- 1981_British_Saloon_Car_Championship_season primaryTopic 1981_British_Saloon_Car_Championship_season.
- 1981_British_Speedway_League primaryTopic 1981_British_Speedway_League.
- 1981_British_Touring_Car_Championship_season primaryTopic 1981_British_Touring_Car_Championship_season.
- 1981_British_incumbents primaryTopic 1981_British_incumbents.
- 1981_British_leaders primaryTopic 1981_British_leaders.
- 1981_Brixton_race_riot primaryTopic 1981_Brixton_race_riot.
- 1981_Brixton_riot primaryTopic 1981_Brixton_riot.
- 1981_Budweiser_NASCAR_400 primaryTopic 1981_Budweiser_NASCAR_400.
- 1981_Buenos_Aires_Grand_Prix_(tennis) primaryTopic 1981_Buenos_Aires_Grand_Prix_(tennis).
- 1981_Buenos_Aires_Grand_Prix_(tennis)_-_Singles primaryTopic 1981_Buenos_Aires_Grand_Prix_(tennis)_-_Singles.
- 1981_Buenos_Aires_Grand_Prix_(tennis)_–_Singles primaryTopic 1981_Buenos_Aires_Grand_Prix_(tennis)_%E2%80%93_Singles.
- 1981_Buenos_Aires_Grand_Prix_-_Singles primaryTopic 1981_Buenos_Aires_Grand_Prix_-_Singles.
- 1981_Buenos_Aires_Grand_Prix_tennis primaryTopic 1981_Buenos_Aires_Grand_Prix_tennis.
- 1981_Buffalo_Bills_season primaryTopic 1981_Buffalo_Bills_season.
- 1981_CARIFTA_Games primaryTopic 1981_CARIFTA_Games.
- 1981_CART_World_Series_Season primaryTopic 1981_CART_World_Series_Season.
- 1981_CART_World_Series_season primaryTopic 1981_CART_World_Series_season.
- 1981_CART_season primaryTopic 1981_CART_season.
- 1981_CCHA_Men's_Ice_Hockey_Tournament primaryTopic 1981_CCHA_Men's_Ice_Hockey_Tournament.
- 1981_CDCP_Road_Builders_season primaryTopic 1981_CDCP_Road_Builders_season.
- 1981_CECAFA_Cup primaryTopic 1981_CECAFA_Cup.
- 1981_CFL_Draft primaryTopic 1981_CFL_Draft.
- 1981_CFL_season primaryTopic 1981_CFL_season.
- 1981_CFU_Championship primaryTopic 1981_CFU_Championship.
- 1981_CONCACAF_Champions'_Cup primaryTopic 1981_CONCACAF_Champions'_Cup.
- 1981_CONCACAF_Championship primaryTopic 1981_CONCACAF_Championship.
- 1981_CONCACAF_Championship_qualification primaryTopic 1981_CONCACAF_Championship_qualification.
- 1981_Caesars_Palace_Grand_Prix primaryTopic 1981_Caesars_Palace_Grand_Prix.
- 1981_Calder_Cup primaryTopic 1981_Calder_Cup.
- 1981_Calder_Cup_Playoffs primaryTopic 1981_Calder_Cup_Playoffs.
- 1981_Calder_Cup_playoffs primaryTopic 1981_Calder_Cup_playoffs.
- 1981_Calgary_Stampeders_season primaryTopic 1981_Calgary_Stampeders_season.
- 1981_California_Angels_season primaryTopic 1981_California_Angels_season.
- 1981_California_Bowl primaryTopic 1981_California_Bowl.
- 1981_Cameroonian_Premier_League primaryTopic 1981_Cameroonian_Premier_League.
- 1981_Campeonato_Argentino_de_Rugby primaryTopic 1981_Campeonato_Argentino_de_Rugby.
- 1981_Campeonato_Brasileiro_Serie_A primaryTopic 1981_Campeonato_Brasileiro_Serie_A.
- 1981_Campeonato_Brasileiro_Série_A primaryTopic 1981_Campeonato_Brasileiro_S%C3%A9rie_A.
- 1981_Campeonato_Brasileiro_Série_B primaryTopic 1981_Campeonato_Brasileiro_S%C3%A9rie_B.
- 1981_Campeonato_Brasileiro_Série_C primaryTopic 1981_Campeonato_Brasileiro_S%C3%A9rie_C.
- 1981_Can-Am_season primaryTopic 1981_Can-Am_season.
- 1981_Canada_Cup primaryTopic 1981_Canada_Cup.
- 1981_Canada_Cup_rosters primaryTopic 1981_Canada_Cup_rosters.
- 1981_Canadian_Grand_Prix primaryTopic 1981_Canadian_Grand_Prix.
- 1981_Canadian_Ladies_Curling_Association_Championship primaryTopic 1981_Canadian_Ladies_Curling_Association_Championship.
- 1981_Canadian_incumbents primaryTopic 1981_Canadian_incumbents.
- 1981_Cannes_Film_Festival primaryTopic 1981_Cannes_Film_Festival.
- 1981_Caribbean_Baseball_World_Series primaryTopic 1981_Caribbean_Baseball_World_Series.
- 1981_Caribbean_Series primaryTopic 1981_Caribbean_Series.
- 1981_Centennial_Cup primaryTopic 1981_Centennial_Cup.
- 1981_Central_American_and_Caribbean_Championships primaryTopic 1981_Central_American_and_Caribbean_Championships.
- 1981_Central_American_and_Caribbean_Championships_in_Athletics primaryTopic 1981_Central_American_and_Caribbean_Championships_in_Athletics.
- 1981_Centrobasket primaryTopic 1981_Centrobasket.
- 1981_Champ_Car_season primaryTopic 1981_Champ_Car_season.
- 1981_Chapeltown_Caribbean_riot primaryTopic 1981_Chapeltown_Caribbean_riot.
- 1981_Chapeltown_race_riot primaryTopic 1981_Chapeltown_race_riot.
- 1981_Chapeltown_riot primaryTopic 1981_Chapeltown_riot.
- 1981_Chatham_Cup primaryTopic 1981_Chatham_Cup.
- 1981_Chengdu-Kunming_Railway_Train_Crash primaryTopic 1981_Chengdu-Kunming_Railway_Train_Crash.
- 1981_Chicago_Bears_season primaryTopic 1981_Chicago_Bears_season.
- 1981_Chicago_Cubs_season primaryTopic 1981_Chicago_Cubs_season.
- 1981_Chicago_White_Sox_season primaryTopic 1981_Chicago_White_Sox_season.
- 1981_Chilean_telethon primaryTopic 1981_Chilean_telethon.
- 1981_Cincinnati_Bengals_season primaryTopic 1981_Cincinnati_Bengals_season.
- 1981_Cincinnati_Open primaryTopic 1981_Cincinnati_Open.
- 1981_Cincinnati_Reds primaryTopic 1981_Cincinnati_Reds.
- 1981_Cincinnati_Reds_season primaryTopic 1981_Cincinnati_Reds_season.
- 1981_Clemson_Tigers_football_team primaryTopic 1981_Clemson_Tigers_football_team.
- 1981_Cleveland_Browns_season primaryTopic 1981_Cleveland_Browns_season.
- 1981_Cleveland_Indians_season primaryTopic 1981_Cleveland_Indians_season.
- 1981_Club_World_Cup_(basketball) primaryTopic 1981_Club_World_Cup_(basketball).
- 1981_College_Baseball_All-America_Team primaryTopic 1981_College_Baseball_All-America_Team.
- 1981_College_Football_All-America_Team primaryTopic 1981_College_Football_All-America_Team.
- 1981_College_World_Series primaryTopic 1981_College_World_Series.
- 1981_Colorado_Buffaloes_football_team primaryTopic 1981_Colorado_Buffaloes_football_team.
- 1981_Congoleum_Classic primaryTopic 1981_Congoleum_Classic.
- 1981_Cook_Islands_Round_Cup primaryTopic 1981_Cook_Islands_Round_Cup.
- 1981_Copa_Libertadores primaryTopic 1981_Copa_Libertadores.
- 1981_Copa_Peru primaryTopic 1981_Copa_Peru.
- 1981_Copa_Perú primaryTopic 1981_Copa_Per%C3%BA.
- 1981_Copa_del_Rey primaryTopic 1981_Copa_del_Rey.
- 1981_Copa_del_Rey_Final primaryTopic 1981_Copa_del_Rey_Final.
- 1981_Cotton_Bowl_Classic primaryTopic 1981_Cotton_Bowl_Classic.
- 1981_Coupe_de_France_Final primaryTopic 1981_Coupe_de_France_Final.