For America250, the official national time capsule is scheduled to be opened in Philadelphia in 2276.
The capsule is tied to the 250th anniversary and is intended to preserve a record of the United States during the semiquincentennial year. Its planned opening in 2276 would coincide with the nation’s 500th anniversary of the 1776 Declaration.
Philadelphia is the chosen setting because Independence National Historical Park contains Independence Hall and other landmarks central to the founding era. The location connects the future artifact with the city where the Continental Congress debated and adopted the Declaration.
A time capsule is not the same as an archive intended for regular research. Its purpose is long-term preservation and delayed discovery. The 250-year interval also creates a direct numerical link between the 250th anniversary in 2026 and the 500th anniversary in 2276.