{"name":"Mount Vernon Square","city":"Washington, D.C., District of Columbia","canonical_url":"https://gydeinfo.com/washington-dc/places/mount-vernon-square/","markdown_url":"https://gydeinfo.com/washington-dc/places/mount-vernon-square.md","updated_at":"2026-06-20T06:54:02.692253+00:00","facts":[{"claim":"Events DC describes Mt. Vernon Square and its surrounding neighborhoods as a mix of DC's storied past and thriving present.","citation":"https://eventsdc.com/venue/carnegie-library-mt-vernon-square/explore-area","source_title":"Explore the Area | Events DC","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:02.626704+00:00","fact_type":"location","as_of":"2024","confidence":0.82},{"claim":"Events DC identifies Mt. Vernon Square as home to the Carnegie Library.","citation":"https://eventsdc.com/venue/carnegie-library-mt-vernon-square/explore-area","source_title":"Explore the Area | Events DC","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:02.626704+00:00","fact_type":"significance","as_of":"2024","confidence":0.9},{"claim":"The Mount Vernon Square District Project was designed to address transportation, public realm, and real estate challenges and opportunities around the square.","citation":"https://planning.dc.gov/page/mount-vernon-square-district-project","source_title":"Mount Vernon Square District Project | op - DC Office of Planning","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T06:15:01.862600+00:00","fact_type":"significance","as_of":"2010","confidence":0.92},{"claim":"One project goal was to create a destination attracting visitors from the Convention Center, Downtown, the National Mall, and other neighborhoods.","citation":"https://planning.dc.gov/page/mount-vernon-square-district-project","source_title":"Mount Vernon Square District Project | op - DC Office of Planning","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T06:15:01.862600+00:00","fact_type":"significance","as_of":"2010","confidence":0.88},{"claim":"The Mount Vernon Square District Project was initiated in May 2009 and completed in 2010.","citation":"https://planning.dc.gov/page/mount-vernon-square-district-project","source_title":"Mount Vernon Square District Project | op - DC Office of Planning","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T06:15:01.862600+00:00","fact_type":"history","as_of":"2010","confidence":0.96},{"claim":"The project built on earlier planning efforts including the K Street Transit Way, Mount Vernon Square Design Workbook, Mount Vernon Triangle Action Agenda, Center City Action Agenda, and the Convention Center Area Strategic Development Plan.","citation":"https://planning.dc.gov/page/mount-vernon-square-district-project","source_title":"Mount Vernon Square District Project | op - DC Office of Planning","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T06:15:01.862600+00:00","fact_type":"significance","as_of":"2010","confidence":0.9},{"claim":"The Mount Vernon Square Historic District is a late-19th-century commercial and residential neighborhood within the historic boundaries of the District of Columbia's Federal City.","citation":"https://dcpreservation.org/wp-content/uploads/2023/01/Mount_Vernon_Square_Brochure_0.pdf","source_title":"Mount Vernon Square Historic District - DC Preservation League","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:01.032456+00:00","fact_type":"history","as_of":"2023","confidence":0.95},{"claim":"The Mount Vernon Square Historic District is generally bounded by New York Avenue on the south, 1st Street on the east, N Street and M Street on the north, and 7th Street on the west.","citation":"https://dcpreservation.org/wp-content/uploads/2023/01/Mount_Vernon_Square_Brochure_0.pdf","source_title":"Mount Vernon Square Historic District - DC Preservation League","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:01.032456+00:00","fact_type":"location","as_of":"2023","confidence":0.96},{"claim":"Completion of 7th Street by 1822 helped lay the foundation for commercial development and residential growth in the area.","citation":"https://dcpreservation.org/wp-content/uploads/2023/01/Mount_Vernon_Square_Brochure_0.pdf","source_title":"Mount Vernon Square Historic District - DC Preservation League","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:01.032456+00:00","fact_type":"history","as_of":"2023","confidence":0.9},{"claim":"The Northern Liberties Fire Company firehouse (1840) and the Northern Liberty Market (1846) stimulated neighborhood development.","citation":"https://dcpreservation.org/wp-content/uploads/2023/01/Mount_Vernon_Square_Brochure_0.pdf","source_title":"Mount Vernon Square Historic District - DC Preservation League","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:01.032456+00:00","fact_type":"history","as_of":"2023","confidence":0.97},{"claim":"The construction of MCI Arena and opening of the Mount Vernon Square Metro Station in the 1990s continued to transform the neighborhood.","citation":"https://dcpreservation.org/wp-content/uploads/2023/01/Mount_Vernon_Square_Brochure_0.pdf","source_title":"Mount Vernon Square Historic District - DC Preservation League","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:01.032456+00:00","fact_type":"history","as_of":"2023","confidence":0.86},{"claim":"The area north of K Street along New York and Massachusetts Avenues was labeled Mount Vernon as an honor consistent with commemorating George Washington.","citation":"https://dcpreservation.org/wp-content/uploads/2023/01/Mount_Vernon_Square_Brochure_0.pdf","source_title":"Mount Vernon Square Historic District - DC Preservation League","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:01.032456+00:00","fact_type":"significance","as_of":"2023","confidence":0.8},{"claim":"Mount Vernon Square is a city square and neighborhood in the Northwest quadrant of Washington, D.C.","citation":"https://en.wikipedia.org/wiki/Mount_Vernon_Square","source_title":"Mount Vernon Square","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:00.237048+00:00","fact_type":"location","as_of":"2025","confidence":0.97},{"claim":"The square is located where Massachusetts Avenue NW, New York Avenue NW, K Street NW, and 8th Street NW would otherwise intersect.","citation":"https://en.wikipedia.org/wiki/Mount_Vernon_Square","source_title":"Mount Vernon Square","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:00.237048+00:00","fact_type":"location","as_of":"2025","confidence":0.9},{"claim":"Mount Vernon Square was part of the original L'Enfant Plan and was later divided into four triangles by the intersection of Massachusetts Avenue and New York Avenue.","citation":"https://en.wikipedia.org/wiki/Mount_Vernon_Square","source_title":"Mount Vernon Square","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:00.237048+00:00","fact_type":"history","as_of":"2025","confidence":0.87},{"claim":"The Carnegie Library of Washington, D.C. sits in the center of the square and was finished in 1903 as a gift from Andrew Carnegie.","citation":"https://en.wikipedia.org/wiki/Mount_Vernon_Square","source_title":"Mount Vernon Square","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:00.237048+00:00","fact_type":"significance","as_of":"2025","confidence":0.96},{"claim":"The Carnegie Library is a white marble Beaux-Arts building that originally served as the city’s central library.","citation":"https://en.wikipedia.org/wiki/Mount_Vernon_Square","source_title":"Mount Vernon Square","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:00.237048+00:00","fact_type":"architecture","as_of":"2025","confidence":0.93},{"claim":"The Carnegie Library now houses the Historical Society of Washington, D.C., and an Apple Store.","citation":"https://en.wikipedia.org/wiki/Mount_Vernon_Square","source_title":"Mount Vernon Square","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:00.237048+00:00","fact_type":"significance","as_of":"2025","confidence":0.97},{"claim":"Two historic buildings northwest of the square are Mount Vernon Place United Methodist Church and the American Federation of Labor Building.","citation":"https://en.wikipedia.org/wiki/Mount_Vernon_Square","source_title":"Mount Vernon Square","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:00.237048+00:00","fact_type":"anecdote","as_of":"2025","confidence":0.82},{"claim":"Mount Vernon Square is situated at the intersection of Massachusetts Avenue and New York Avenue NW and is bordered by M Street and 7th Street.","citation":"https://washington.org/dc-neighborhoods/mount-vernon-square","source_title":"Mount Vernon Square Neighborhood in Washington, DC","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T06:14:59.401093+00:00","fact_type":"location","as_of":"2024","confidence":0.94},{"claim":"Mount Vernon Square was intended to be an open space in Pierre L’Enfant’s original plan for Washington, D.C.","citation":"https://washington.org/dc-neighborhoods/mount-vernon-square","source_title":"Mount Vernon Square Neighborhood in Washington, DC","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T06:14:59.401093+00:00","fact_type":"significance","as_of":"2024","confidence":0.93},{"claim":"The area hosted the Northern Liberty Market from 1846 to 1872 before it was demolished for roadways.","citation":"https://washington.org/dc-neighborhoods/mount-vernon-square","source_title":"Mount Vernon Square Neighborhood in Washington, DC","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T06:14:59.401093+00:00","fact_type":"history","as_of":"2024","confidence":0.91},{"claim":"The Carnegie Library opened in 1903 as the city's first desegregated public building.","citation":"https://washington.org/dc-neighborhoods/mount-vernon-square","source_title":"Mount Vernon Square Neighborhood in Washington, DC","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T06:14:59.401093+00:00","fact_type":"history","as_of":"2024","confidence":0.98},{"claim":"The Carnegie Library served as Washington, D.C.'s central library until 1972.","citation":"https://washington.org/dc-neighborhoods/mount-vernon-square","source_title":"Mount Vernon Square Neighborhood in Washington, DC","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T06:14:59.401093+00:00","fact_type":"significance","as_of":"2024","confidence":0.95},{"claim":"Mount Vernon Square is directly served by the Mount Vernon Square Metro stop on the Green and Yellow lines.","citation":"https://washington.org/dc-neighborhoods/mount-vernon-square","source_title":"Mount Vernon Square Neighborhood in Washington, DC","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T06:14:59.401093+00:00","fact_type":"location","as_of":"2024","confidence":0.94}],"sources":[{"title":"Explore the Area | Events DC","url":"https://eventsdc.com/venue/carnegie-library-mt-vernon-square/explore-area","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:02.626704+00:00","license":"unknown"},{"title":"Mount Vernon Square District Project | op - DC Office of Planning","url":"https://planning.dc.gov/page/mount-vernon-square-district-project","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T06:15:01.862600+00:00","license":"unknown"},{"title":"Mount Vernon Square Historic District - DC Preservation League","url":"https://dcpreservation.org/wp-content/uploads/2023/01/Mount_Vernon_Square_Brochure_0.pdf","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:01.032456+00:00","license":"unknown"},{"title":"Mount Vernon Square","url":"https://en.wikipedia.org/wiki/Mount_Vernon_Square","source_type":"manual","allowed_use":"facts_with_citation","retrieved_at":"2026-06-20T06:15:00.237048+00:00","license":"CC BY-SA 4.0"},{"title":"Mount Vernon Square Neighborhood in Washington, DC","url":"https://washington.org/dc-neighborhoods/mount-vernon-square","source_type":"official","allowed_use":"canonical_data","retrieved_at":"2026-06-20T06:14:59.401093+00:00","license":"unknown"}],"commercial_actions":[],"source_policy":{"booking_links_are_evidence":false,"denied_as_evidence":["google_places","google","yelp","tripadvisor"],"allowed_uses":["canonical_data","facts_with_citation","anecdote"]}}