Share to Google Classroom This city of Columbia bicentennial time capsule was sealed December 31, 1986. It is to be opened March 22, 2036, on Columbia’s 250th birthday. Grades: 3 4 5 6 7 8 9 10 11 12 Subjects: Social StudiesS.C. HistorySouth Carolina CultureArtifacts, Monuments & Symbols Collection: South Carolina CountiesRichland Series: Let's Go!South Carolina State HouseIV: Grounds: Monuments & Markers