Write the dates(two variants): 15.03.2006 21.06.1500 31.05.1983 12.12.1704

The 15th of March, 2006 / 2006, March, 15
the 21st of June, 1500 / 1500, June, 21
the 31 of May, 1983 / 1983, May, 31
the 12th of December, 1704 / 1704, December, 12