claim: Prague's historic center was first included in the UNESCO list of World Heritage Sites in 1992.
evidence: The Superstock TT is a motorcycle road race that takes place during the Isle of Man TT festival .. motorcycle. motorcycle. Isle of Man TT. Isle of Man TT. The event for production based motor-cycles racing of treaded road tyres is based on the FIM Superstock 1000 Championship specifications .. FIM Superstock 1000 Championship. FIM Superstock 1000 Championship