code: public static List<Fodselsnummer> getManyDNumberFodselsnummerForDate(Date date) {
  		if (date == null) {
  			throw new IllegalArgumentException();
  		}
  		DateFormat df = new SimpleDateFormat("ddMMyy");
  		String centuryString = getCentury(date);
  		String dateString = df.format(date);
  		dateString = new StringBuilder()
  				.append(Character.toChars(dateString.charAt(0) + 4)[0])
  				.append(dateString.substring(1))
  				.toString();
  		return generateFodselsnummerForDate(dateString, centuryString);
  	}
docs: Returns a List with with VALID DNumber Fodselsnummer instances for a given Date.
  
  @param date The Date instance
  @return A List with Fodelsnummer instances