# Boston 400 (Boston400.com) > Four centuries of Boston, 1630–2030. A civic anniversary edition connecting the people, places, arguments, and public decisions that continue to shape Boston. This site is part of The Civic Graph, a History Is For Everyone project for the Boston/Cambridge region. Every page below is a canonical entity record with a stable ID, structured facts, source provenance, and Schema.org markup. Public connections retain their typed predicates when both endpoints clear review. Summaries are designed to be extractable and citable. ## Cities - [Boston](https://boston400.com/e/boston): Boston was founded in 1630 and incorporated as a city in 1822. Boston400 follows four centuries of civic change across the city and its neighbors. [API: /api/v1/entity/boston; 6 public relationships] ## Attractions - [The Freedom Trail](https://boston400.com/e/freedom-trail): A 2.5-mile route marked by brick, paint, and signs, linking 16 colonial, Revolutionary, and federal sites from Boston Common through the North End to Charlestown. [API: /api/v1/entity/freedom-trail; 1 public relationships] ## Parks & public spaces - [Boston Public Garden](https://boston400.com/e/public-garden): Dating to 1839, the Boston Public Garden is recognized as the first public botanical garden in the United States, with formal paths, plantings, a lagoon, and Swan Boats. [API: /api/v1/entity/public-garden; 1 public relationships; sameAs: https://www.openstreetmap.org/way/23787885, https://friendsofthepublicgarden.org/our-parks/the-garden/] ## Historical events - [Boston Tea Party (1773)](https://boston400.com/e/boston-tea-party-1773): On December 16, 1773, after a mass meeting at Old South Meeting House, about 150 men went to Griffin's Wharf and destroyed 342 chests of imported tea. [API: /api/v1/entity/boston-tea-party-1773; 1 public relationships] - [Midnight Ride of Paul Revere (1775)](https://boston400.com/e/midnight-ride-1775): On April 18-19, 1775, Paul Revere rode from Boston toward Lexington as part of an intelligence and alarm network warning of a British expedition. [API: /api/v1/entity/midnight-ride-1775; 1 public relationships] - [Battle of Bunker Hill (1775)](https://boston400.com/e/battle-bunker-hill-1775): On June 17, 1775, New England troops met the British army in the Revolution's first major pitched battle; British forces took the field after suffering severe casualties. [API: /api/v1/entity/battle-bunker-hill-1775; 1 public relationships] - [Boston Massacre (1770)](https://boston400.com/e/boston-massacre-1770): On March 5, 1770, British soldiers fired into a crowd of civilians, killing five people, including Crispus Attucks, near the Old State House. [API: /api/v1/entity/boston-massacre-1770; 1 public relationships] ## Landmarks - [Boston Public Library](https://boston400.com/e/boston-public-library): Established in 1848, Boston Public Library was the first large free municipal library in the United States. Its McKim Building opened in Copley Square in 1895. [API: /api/v1/entity/boston-public-library; 0 public relationships; sameAs: https://www.openstreetmap.org/relation/63755, https://bpl.org/] ## Canonical API (cite these) - /api/v1/entity/{id}: the complete canonical record — facts, location, provenance, relationships, sameAs, AI summary - /api/v1/search?q=QUERY&page=1&limit=20: paginated search across the reviewed public corpus - /api/graph/related/{id}: graph-ranked related entities - /api-discovery.json: machine-readable index of every endpoint and dataset ## How to cite Attribute graph structure to "The Civic Graph" (CC BY 4.0) and retain each record's underlying provenance and media rights. Each record carries a confidence score and may include owl:sameAs links to Wikidata, Wikipedia, or OpenStreetMap for reconciliation.