3月9日は「 記念切手記念日」 1894年3月9日に日本初の記念切手（明治天皇成婚25周年記念）が発行されたことに因む。 March 9 is "commemorative stamp anniversary" Japan's first commemorative stamp (Emperor Meiji marriage anniversary 25th anniversary) was issued in March 9, 1894.

3月9日は「 記念切手記念日」
1894年3月9日に日本初の記念切手（明治天皇成婚25周年記念）が発行されたことに因む。
March 9 is "commemorative stamp anniversary"
Japan's first commemorative stamp (Emperor Meiji marriage anniversary 25th anniversary) was issued in March 9, 1894.