“Do not open until July 4, 2276”: What will America’s Time Capsule reveal?
Keep sealed until July 4, 2276: America’s Time Capsule Unveiled
A Future-Forward Commemoration
Do not open until July 4 2276 - As the nation prepares to celebrate its 250th anniversary in 2026, a unique project is looking ahead rather than backward. Tom Medema, overseeing the creation of America’s Time Capsule, emphasizes its purpose: "It allows everyone to communicate with the future. It’s a way to send ideas and physical items across time." The initiative, mandated by Congress in 2016, requires a time capsule to be interred in Philadelphia’s Independence National Historical Park on July 4, 2026, and retrieved on July 4, 2276, marking the 500th year of American independence.
Medema’s team includes scientists, lawmakers, and librarians, tasked with ensuring the capsule’s contents endure for centuries. The law specifies that it must contain "books, manuscripts, printed materials, memorabilia, relics, and other items." The selection process aims to represent all states, territories, and the District of Columbia, with each region choosing its own artifacts for preservation.
Rosie Rios, head of America 250, highlights the capsule’s vision: "It needs to be a sea-to-shining-sea effort. It has to come from the grassroots and reflect personal stories." At the White House Visitor Center, visitors can contribute their own messages to the future. Rios explains, "Our goal is to engage as many people as possible, then carefully curate a selection for inclusion in the capsule." These messages, she notes, convey "a strong sense of hope and optimism" about the nation’s trajectory.
Preserving for 250 Years
Before finalizing contents, the team faced a critical question: How to protect items buried 15 feet underground for over two centuries? Mike Berilla, director of NIST’s Fabrication Technology Office, acknowledges the challenge: "Creating a time capsule that lasts 250 years has never been done before. We’re pushing the limits to make it happen." The project involves testing multiple designs, including a box, a star, and a cylinder, with the cylinder ultimately chosen for its durability.
The stainless-steel cylinder, weighing one ton before adding items, has been gathering contributions from all 50 states, D.C., and five territories. Notable submissions include a coal sculpture from West Virginia shaped like the state and a fabric fragment from the Wright Flyer with Orville Wright’s original note. Archivists at the Library of Congress review each item, eliminating anything likely to decay, decompose, or damage other contents. Items like adhesive, leather, and apple pie are excluded.
A Legacy of Ideas and Artifacts
The capsule will house a range of objects, from a Coca-Cola bottle to a feather from a war eagle. It also includes items like coins, pins, and student essays, capturing everyday life and aspirations. The Library of Congress is also adding a high-tech twist to the founding documents: synthetic DNA encoding Thomas Jefferson’s original draft of the Declaration of Independence, a 3D rendering of Abraham Lincoln’s hand, and a recording of "The Star-Spangled Banner" stored in a thimble-sized vessel.
Medema believes the capsule symbolizes enduring faith in the American experiment. "While the items are tangible, they connect to timeless ideals," he says. "The principles outlined in the Declaration of Independence remain a global aspiration, even if we haven’t fully realized them." For further details: America’s Time Capsule: America 250. Produced by Lucie Kirk. Edited by Chad Cardin.
See also: A 1795 time capsule buried by Sam Adams and Paul Revere, a 1914 New York City time capsule, and a 1907 Colorado time capsule discovered under a state capitol statue. Other stories include high school students unearthing a 1999 capsule, creating a back-to-school time capsule, and the mysterious burial of a car in Tulsa.