Webthe time capsule found in boston that dates back to 1795 and was supposedly placed by sam adams and paul revere has been unsealed by the boston. Webthe capsule was first unearthed back in 1855, when workers discovered it while making repairs to the state house. It was opened at the time and the contents were cleaned (in. Webcnn — more than 200 years after samuel adams and paul revere first buried it in boston, it took an hour to remove all the objects crammed inside a tiny time. Webthe samuel adams and paul revere time capsule, also known as the massachusetts state house time capsule [1] is a time capsule located in a cornerstone of the. Webthe commonwealth has a set of historical records that mention the time capsule, but its existence wasn't confirmed until summer 2014, when an engineering. Webthe time capsule was found to contain silver and copper coins dating from 1652 to 1855, newspapers, a medal depicting george washington, and a silver plaque believed to be.