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.
... with an area of 78,000 km² (24,560 sq. miles). The capital of Sakhalin is Yuzhno Sakhalinsk[?] (Japanese: Toyohara (豊原)), a city of about 200,000 ...