public static ArrayList<History> showHistory() {
            ArrayList<History> histories = new ArrayList<History>();
            Database db = dbconnect();
            try {
                db.prepare("SELECT * FROM ticket_history ORDER BY changed_on desc");
                ResultSet rs = db.executeQuery();
		while(rs.next()) {
                     histories.add(HistoryObject(rs));
                }
			db.close();
			
        } catch (SQLException e) {
            Error_Frame.Error(e.toString());
        } 
            return histories;
	}