Oldest US Time Capsule
The oldest time capsule dating back to 1795 was found in Boston, United States. American Revolution patriot Revere and Adams originally placed the relic under a cornerstone of the Boston Statehouse in 1795. It was first opened in 1855 when its contents were cleaned and new items were placed inside.
According to the reports “”X-rays revealed what is believed to be a collection of silver and copper coins (dating from 1652 and 1855); an engraved silver plate; a copper medal depicting George Washington; newspapers; the seal of the Commonwealth; cards; and a title page from the Massachusetts Colony Records.” The stone plate at the was engraved with the information about the laying of the cornerstone box.