On July 4, 1776, delegates from thirteen colonies adopted the Declaration of Independence, formally announcing their break from British rule. July 4, 2026 marks 250 years since that moment, a milestone commonly called the Semiquincentennial. Congress established the U.S. Semiquincentennial Commission in 2016 to help plan and coordinate commemorative activity leading up to the anniversary, and all fifty states, the District of Columbia, and the five inhabited U.S. territories have since formed their own commissions to organize local programming.

The word follows the pattern of earlier round-number anniversaries: the Centennial in 1876, marked by a world's fair in Philadelphia that drew roughly ten million visitors, and the Bicentennial in 1976, when "Operation Sail" brought tall ships from around the world to New York Harbor. "Semiquincentennial" joins the Latin roots for "half," "five," and "hundredth," half of five hundred; the commission's public-facing name is simply "America250."

The federal commission was created by the U.S. Semiquincentennial Commission Act, signed in July 2016, and includes members of Congress, presidential appointees, and private citizens. It works with agencies such as the National Park Service, the Smithsonian Institution, and the National Archives, and with a nonprofit foundation that raises private money for programming.

The commemoration is deliberately decentralized. Rather than one national event, each state and territory commission sets its own priorities, from restoring historic sites to writing school curricula to organizing community service, so most 2026 programming happens at the state and city level rather than in Washington.

None of that progress arrived on schedule, and none of it arrived without disagreement. The republic has depended on people willing to show up, argue, lose, and start over, not on everyone agreeing in advance about what "a more perfect union" looks like. That unfinished character was built into the country from its first sentence.

The framers wrote change into the system itself. Article V of the Constitution sets out how it can be amended, and it has been amended 27 times. The first ten came within two years; the most recent, limiting when congressional pay raises take effect, was ratified in 1992 after sitting before the states for 202 years. The document that governs the country today is materially different from the one signed in 1787.

The electorate widened alongside it. In 1789, voting was generally limited to white male property owners, perhaps six percent of the population. Property requirements fell in the early 1800s, and the Fifteenth, Nineteenth, Twenty-fourth, and Twenty-sixth Amendments, together with the Voting Rights Act, extended the franchise across race, sex, wealth, and age. By the 2020 election, about two-thirds of the voting-eligible population cast a ballot.

Each of those changes was contested at the time, and none was inevitable. The 250th anniversary is an occasion to measure both the distance traveled and the distance still ahead.

Communities across the country are marking the milestone throughout 2026 with parades, historical exhibits, community service projects, educational programs for students, commemorative coinage, and local events organized by state and local Semiquincentennial commissions.

Congress authorized a run of Semiquincentennial commemorative coins for 2026, and the U.S. Mint is issuing redesigned circulating coins to mark the year. The National Park Service, which turned 110 in 2026, is coordinating events at Revolutionary War sites including Independence National Historical Park in Philadelphia, Boston, and Yorktown, Virginia.

Several signature projects are national in scope, among them "America's Field Trip," a student art and writing contest run by the America250 commission, and travel and tourism campaigns tied to the anniversary. The 2026 FIFA World Cup, hosted in part by the United States, falls in the same window and is being folded into commemorative programming.

Because programming is organized locally, the calendar peaks around July 4, 2026 but runs through the year and into 2027, which marks 250 years since several major battles of the Revolution. Check with your state or local commission for events near you.