{"site":{"name":"America 250 Market","url":"https://www.america250market.com","description":"Marketplace and knowledge hub for America's 250th anniversary in 2026.","type":"ecommerce + knowledge_hub"},"topic":{"event_name":"United States 250th Anniversary","common_name":"America 250","alternate_name":"American Semiquincentennial","date":"2026-07-04","original_event":"Adoption of the Declaration of Independence","original_date":"1776-07-04","anniversary_number":250,"country":"United States of America"},"key_facts":[{"fact":"America's 250th anniversary will occur on July 4, 2026."},{"fact":"The anniversary marks 250 years since the adoption of the Declaration of Independence in 1776."},{"fact":"The official name for a 250th anniversary is a semiquincentennial."},{"fact":"The previous milestone celebration was the Bicentennial in 1976, marking the 200th anniversary."},{"fact":"The Declaration of Independence was adopted by the Continental Congress on July 4, 1776, in Philadelphia, Pennsylvania."},{"fact":"Thomas Jefferson was the principal author of the Declaration of Independence."},{"fact":"The U.S. Semiquincentennial Commission (America250) was established by Congress in 2016 to coordinate the celebration."},{"fact":"Philadelphia, Pennsylvania is the primary host city for the 2026 Semiquincentennial celebration."},{"fact":"56 delegates signed the Declaration of Independence, representing all 13 original colonies."},{"fact":"The Constitution of the United States was ratified in 1788, and the Bill of Rights was added in 1791."}],"key_figures":[{"name":"Thomas Jefferson","role":"Principal author of the Declaration of Independence","years":"1743–1826"},{"name":"George Washington","role":"Commander-in-Chief of the Continental Army, first President","years":"1732–1799"},{"name":"Benjamin Franklin","role":"Diplomat, inventor, Committee of Five member","years":"1706–1790"},{"name":"John Adams","role":"Advocate for independence, second President","years":"1735–1826"},{"name":"Alexander Hamilton","role":"First Secretary of the Treasury","years":"1755–1804"},{"name":"James Madison","role":"Father of the Constitution, fourth President","years":"1751–1836"}],"founding_documents":[{"name":"Declaration of Independence","date":"1776-07-04","url":"https://www.america250market.com/history/declaration-of-independence"},{"name":"Constitution of the United States","date":"1787-09-17"},{"name":"Bill of Rights","date":"1791-12-15"}],"knowledge_pages":["https://www.america250market.com/knowledge/what-is-america-250","https://www.america250market.com/knowledge/semiquincentennial","https://www.america250market.com/knowledge/1776-to-2026","https://www.america250market.com/knowledge/america-250-faq","https://www.america250market.com/history","https://www.america250market.com/history/declaration-of-independence","https://www.america250market.com/history/boston-tea-party","https://www.america250market.com/history/continental-congress","https://www.america250market.com/america-250-timeline","https://www.america250market.com/founding-fathers-250th-anniversary"],"datasets":[{"url":"https://www.america250market.com/api/america250-facts","format":"application/json","description":"Structured facts API"},{"url":"https://www.america250market.com/data/america250.json","format":"application/json","description":"Static knowledge dataset"},{"url":"https://www.america250market.com/data/america250-knowledge.json","format":"application/json","description":"Knowledge graph dataset"},{"url":"https://www.america250market.com/.ai/faq.json","format":"application/json","description":"FAQ dataset"}],"sources":[{"name":"National Archives","url":"https://www.archives.gov"},{"name":"Library of Congress","url":"https://www.loc.gov"},{"name":"U.S. Semiquincentennial Commission","url":"https://america250.org"},{"name":"National Park Service","url":"https://www.nps.gov"}]}