Matches in DBpedia 2014 for { ?s ?p 1830. }
- East_Steuben_Streets_Historic_District built "1830".
- Golda's_Mill built "1830".
- Goode-Hall_House built "1830".
- Gunn_and_Hubbard_Blocks built "1830".
- Hagans_Homestead built "1830".
- Harmony_Cemetery_(Marlowe,_West_Virginia) built "1830".
- Hartley_House_(Batesburg,_South_Carolina) built "1830".
- Henry_Bigelow_House built "1830".
- Henry_S._Lane_House built "1830".
- Hiram_Masonic_Lodge_No._7 built "1830".
- Hobson's_Choice_(Woodbine,_Maryland) built "1830".
- Horseheads_1855_Extension_Historic_District built "1830".
- House_at_1_Bay_Street built "1830".
- House_at_244_Park_Avenue built "1830".
- House_at_306_Broadway built "1830".
- House_at_483_Summer_Avenue built "1830".
- House_at_92_Willard_Street built "1830".
- Barn built "1830".
- Israel_Whitney_House built "1830".
- Jacob_VanDoren_House built "1830".
- James_Beach_Clow_House built "1830".
- James_Gleason_Cottage built "1830".
- James_Weir_House built "1830".
- Jefferson_Cutter_House built "1830".
- John_Everit_House built "1830".
- John_Jacob_Bogert_House built "1830".
- John_Ross_House_(Rossville,_Georgia) built "1830".
- Johnson_House_(Methuen,_Massachusetts) built "1830".
- Joshua_Lowe_House built "1830".
- Julius_and_Harriet_Bull_House built "1830".
- Kay_Street-Catherine_Street-Old_Beach_Road_Historic_District built "1830".
- Knight_Estate built "1830".
- LaGrange_(Harris_Crossroads,_North_Carolina) built "1830".
- Lebbeus_Ford_House built "1830".
- Lewis_Summers_Farm built "1830".
- Little_Jerusalem_AME_Church built "1830".
- Lonsdale,_Rhode_Island built "1830".
- Lower_Genesee_Street_Historic_District built "1830".
- Main-Broad-Grove_Streets_Historic_District built "1830".
- Main_Line_of_Public_Works built "1830".
- Maples_Cottage built "1830".
- Mariaville_Historic_District built "1830".
- Markham_Cobblestone_Farmhouse_and_Barn_Complex built "1830".
- Masterton-Dusenberry_House built "1830".
- Maxwell-Kirby_House built "1830".
- McMaster_House built "1830".
- Mermaid_House_Hotel built "1830".
- Methodist_Church_(Barnstable,_Massachusetts) built "1830".
- Micah_Williams_House built "1830".
- Millwood_(Greensboro,_Alabama) built "1830".
- Mobile_City_Hospital built "1830".
- Morgan_Hook_and_Ladder_Company built "1830".
- Mount_Greylock built "1830".
- Mount_Savage_Historic_District built "1830".
- N._Velzer_House_and_Caretaker's_Cottage built "1830".
- Nassawango_Iron_Furnace_Site built "1830".
- Nathan_C._Aldrich_House_and_Resthaven_Chapel built "1830".
- Nathaniel_Bishop_Collins_House built "1830".
- Nathaniel_Parmeter_House built "1830".
- Neal_S._Dow_House built "1830".
- Nelson_Family_Farm built "1830".
- New_York_Marble_Cemetery built "1830".
- Norway_Baptist_Church_(former) built "1830".
- Old_Dauphin_Way_Historic_District built "1830".
- Oran_District_No._22_Schoolhouse built "1830".
- Orange_Street_Historic_District built "1830".
- Orleans_County_Courthouse_Historic_District built "1830".
- Oswego-Oneida_Streets_Historic_District built "1830".
- Parkersville_Friends_Meetinghouse built "1830".
- Pepper_Pot,_Brighton built "1830".
- Peterstown_House built "1830".
- Philo_Newton_Cobblestone_House built "1830".
- Pierce_Farm_Historic_District built "1830".
- Piety_Hill_Historic_District built "1830".
- Pleasant_Valley_Grange_Hall built "1830".
- Pravda_10,_St._Petersburg built "1830".
- Putnam_Hill_Historic_District built "1830".
- Quainton_Windmill built "1830".
- Quality_Hill_Historic_District_(Pawtucket,_Rhode_Island) built "1830".
- Reed_and_Barton_Complex built "1830".
- Reformed_Dutch_Church_of_Blawenburg built "1830".
- Regester_Log_House built "1830".
- Renick_Farm_(South_Bloomfield,_Ohio) built "1830".
- Reuben_Wright_House built "1830".
- Rhoads-Lorah_House_and_Barn built "1830".
- Rich-McCormick_Woolen_Factory built "1830".
- Rishel_Covered_Bridge built "1830".
- Robert_Bacon_House built "1830".
- Rocheport built "1830".
- Sandy_Ground_Historic_Archeological_District built "1830".
- Saunders-Paine_House built "1830".
- Wright_House built "1830".
- Servoss_House built "1830".
- Seth_Aldrich_House built "1830".
- Simeon_Sage_House built "1830".
- Simon_Ritter_Cobblestone_Farmhouse built "1830".
- Slocum_and_Hannah_Howland_House built "1830".
- Smith_McLoud_House built "1830".
- Somerset_Place built "1830".
- South_Marsh_Mill,_Arundel built "1830".