Denmark has issued stamps since 1851. The first person to be featured on a Danish stamp was King Christian IX. The years appearing after each name refer to when that person was first featured on a stamp.
... population density is 1,322.5/km² (3,428.5/mi²). There are 4,661 housing units at an average density of 437.9/km² (1,135.1/mi²). The racial makeup ...