{"nrhp_refnum":"74000760","name":"Vandalia Statehouse","other_names":[],"category":"building","location":{"address":"315 W. Gallatin St.","address_restricted":false,"city":"Vandalia","county":"Fayette County","state":"IL","lat":38.97020420800004,"lon":-89.10777374699995,"geom_source":"nps_gis"},"listed_date":"1974-01-21","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Politics/Government"],"significance_levels":["state"],"summary":{"what_it_is":"The Vandalia State House is a two-story brick building at 315 West Gallatin in Vandalia, Fayette County, Illinois. It was built hastily by local residents in the 1830s and served as the state's fourth capitol building; it is now a state-owned museum.","why_significant":"It was the seat of Illinois government from December 1836 to July 1839, and the Tenth General Assembly met here and passed the internal improvements legislation and the charter for the city of Chicago. Abraham Lincoln served in the House of Representatives here and was admitted to the bar in the building in 1837. It is also noted for 1930s restoration work that kept the mid-19th-century courthouse exterior while restoring the interior to the capitol period.","narrative":"Vandalia State House, at 315 West Gallatin in Vandalia, Illinois, served as the seat of state government from December 1836 to July 1839. Vandalia residents built the two-story brick structure quickly and without state authorization, hoping to counter arguments for moving the capital. The effort failed, and the legislature voted to relocate to Springfield three months after occupying it. During its brief capitol years the Tenth General Assembly passed a railroad and canal program and chartered the city of Chicago. Abraham Lincoln sat in the House of Representatives here and was admitted to the bar in the building in March 1837. Afterward the building served as the Fayette County Courthouse and housed a town school. The state bought it in 1918 and restored it between 1933 and 1939. The interior reflects the capitol era, while the exterior keeps its Greek Revival courthouse appearance, a choice that respected work from different periods. It now operates as a museum.","period_of_significance":"1836-1839","architect_builder":null,"architectural_style":"Originally modified Federal; today Greek Revival with white-painted brick and a two-story portico with four Doric piers","criteria":[],"status_note":"Museum in excellent condition, owned by the State of Illinois; interior restored to the 1836-1839 capitol period and exterior to the 1859-1899 courthouse period, with restoration continuing.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:55:35.692517-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/opastorage/live/39/8928/28892839/content/electronic-records/rg-079/NPS_IL/74000760.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/74000760/64db7d7796-800.webp","url_1600":"https://nationalhistoricalregister.com/media/74000760/64db7d7796-1600.webp","licence":"Public domain","author":"Lyle Kruger","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:VandaliaStateHouse_VandaliaIL.jpg\" rel=\"noopener\">Lyle Kruger</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:VandaliaStateHouse_VandaliaIL.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/28892839","wikipedia":"https://en.wikipedia.org/wiki/Vandalia_State_House_State_Historic_Site","wikidata":"https://www.wikidata.org/wiki/Q7914329"},"indexable":true,"url":"https://nationalhistoricalregister.com/illinois/fayette-county/vandalia-statehouse-74000760/"}