Matches in DBpedia 2014 for { ?s ?p 1931. }
- Kaina_Mountain firstAscent "1931".
- Khan_Tengri firstAscent "1931".
- Mount_Derby firstAscent "1931".
- Mount_Dixon_(Mid_Canterbury) firstAscent "1931".
- Mount_Job firstAscent "1931".
- Mount_Tahat firstAscent "1931".
- Nanda_Khat firstAscent "1931".
- Plinth_Peak firstAscent "1931".
- Pylon_Peak_(Canada) firstAscent "1931".
- Razorback_Mountain_(British_Columbia) firstAscent "1931".
- Split_Mountain_(Wyoming) firstAscent "1931".
- Tricouni_Peak firstAscent "1931".
- Tsitika_Mountain firstAscent "1931".
- Old_Indonesia_derby firstContested "1931".
- ANBO_V firstFlight "1931".
- ANF_Les_Mureaux_113 firstFlight "1931".
- ANF_Les_Mureaux_120 firstFlight "1931".
- Aeronca_C-1_Cadet firstFlight "1931".
- Airspeed_Tern firstFlight "1931".
- Akaflieg_München_Mü6 firstFlight "1931".
- Albatros_L_84 firstFlight "1931".
- Amiot_143 firstFlight "1931".
- Angus_Aquila firstFlight "1931".
- Arado_Ar_65 firstFlight "1931".
- Avro_627_Mailplane firstFlight "1931".
- Beriev_MBR-2 firstFlight "1931".
- Berliner-Joyce_OJ firstFlight "1931".
- Bernard_H.V.40 firstFlight "1931".
- Blackburn_B-2 firstFlight "1931".
- Blériot_290 firstFlight "1931".
- Breda_Ba.25 firstFlight "1931".
- Breda_Ba.32 firstFlight "1931".
- Breguet_410 firstFlight "1931".
- Budd_BB-1_Pioneer firstFlight "1931".
- Caproni_Ca.113 firstFlight "1931".
- Caudron_C.240 firstFlight "1931".
- Caudron_C.270 firstFlight "1931".
- Curtiss-Wright_CW-12 firstFlight "1931".
- Curtiss-Wright_CW-15 firstFlight "1931".
- Curtiss-Wright_CW-3_Duckling firstFlight "1931".
- Darmstadt_D-22 firstFlight "1931".
- Dewoitine_D.35 firstFlight "1931".
- Douglas_XT3D firstFlight "1931".
- Douglas_Y1B-7 firstFlight "1931".
- FBA_290 firstFlight "1931".
- Fairchild_22 firstFlight "1931".
- Farman_F.250 firstFlight "1931".
- Franklin_PS-2 firstFlight "1931".
- Gourdou-Leseurre_GL-832_HY firstFlight "1931".
- Gross_Sky_Ghost firstFlight "1931".
- Heinkel_HD_43 firstFlight "1931".
- Heinkel_He_45 firstFlight "1931".
- Heinkel_He_50 firstFlight "1931".
- Heinkel_He_59 firstFlight "1931".
- Hiro_H4H firstFlight "1931".
- Kadiak_KC-2_Speedster firstFlight "1931".
- Klemm_Kl_31 firstFlight "1931".
- Koolhoven_F.K.43 firstFlight "1931".
- Latécoère_300 firstFlight "1931".
- Latécoère_440 firstFlight "1931".
- Letov_Š-32 firstFlight "1931".
- Letov_Š-39 firstFlight "1931".
- Lockheed_Model_9_Orion firstFlight "1931".
- Lockheed_YP-24 firstFlight "1931".
- Loening_SL firstFlight "1931".
- Lublin_R-XIII firstFlight "1931".
- Nicholas-Beazley_NB-8G firstFlight "1931".
- Pander_P-3 firstFlight "1931".
- Pitcairn_PAA-1 firstFlight "1931".
- Pitcairn_PCA-2 firstFlight "1931".
- Praga_BH-41 firstFlight "1931".
- Rearwin_Junior firstFlight "1931".
- Renard_R.30 firstFlight "1931".
- Rogožarski_SIM-VIII firstFlight "1931".
- SET_7 firstFlight "1931".
- SPCA_30 firstFlight "1931".
- Savoia-Marchetti_S.66 firstFlight "1931".
- Schweizer_SGU_1-2 firstFlight "1931".
- Sikorsky_S-40 firstFlight "1931".
- Slingsby_Falcon firstFlight "1931".
- Spartan_C2 firstFlight "1931".
- Stearman_Cloudboy firstFlight "1931".
- Stout_Skycar firstFlight "1931".
- Teichfuss_Falco firstFlight "1931".
- Warren_CP-2 firstFlight "1931".
- Weiss_WM-10_Ölyv firstFlight "1931".
- Werkspoor_Jumbo firstFlight "1931".
- Westland_PV-3 firstFlight "1931".
- Wibault_360 firstFlight "1931".
- Wittman_Chief_Oshkosh firstFlight "1931".
- Yakovlev_AIR-5 firstFlight "1931".
- Swedish_Grand_Prix firstHeld "1931".
- Swedish_Winter_Grand_Prix firstHeld "1931".
- Ferdinando_Minoia firstRace "1931".
- Continental_A40 firstRun "1931".
- Mikulin_AM-34 firstRun "1931".
- Mitsubishi_Zuisei firstRun "1931".
- Welch_O-2 firstRun "1931".
- Reveille_(dog) firstSeen "1931".
- Paraguay_Davis_Cup_team firstYear "1931".