code: public CmsHistoryProject readHistoryProject(CmsDbContext dbc, int publishTag) throws CmsException {
  
          return getHistoryDriver(dbc).readProject(dbc, publishTag);
      }
docs: Returns a historical project entry.<p>
  
  @param dbc the current database context
  @param publishTag the publish tag of the project
  
  @return the requested historical project entry
  
  @throws CmsException if something goes wrong