Kaltura Share to Google Classroom Charleston is best known for its historical significance. Just recently however, Charleston adopted the new label as "The Silicon Harbor" because of all the new technologies that are being born within the area. Grades: 3 4 5 6 7 8 9 10 11 12 Subjects: Social StudiesS.C. HistorySouth Carolina - Late 20th & Early 21st CenturiesThe Economic Landscape Collection: Explore South CarolinaBusiness & Industry TodaySouth Carolina CountiesCharleston Series: ETV ShortsHistoric Charleston