National Stamp Collecting Month: Letter Boxes and Post Boxes

One of the many things I enjoy about collecting stamps that I am constantly learning something new; it is one of the reasons I started the A Stamp A Day blog as it gives me daily reasons to do research. For today, I had planned to write about what we Americans call “mailboxes” (called letter boxes, letter plates, letter holes, or mail slots elsewhere). I had always assumed … Continue reading National Stamp Collecting Month: Letter Boxes and Post Boxes

Johannes Kepler

On this date in 1571, German mathematician, astronomer and astrologer Johannes Kepler was born. A key figure in the 17th-century scientific revolution, he is best known for his laws of planetary motion, based on his works Astronomia nova, Harmonices Mundi, and Epitome of Copernican Astronomy. These works also provided one of the foundations for Isaac Newton’s theory of universal gravitation. Kepler was a mathematics teacher at a seminary school in Graz, where … Continue reading Johannes Kepler

Germany [Democratic Republic] #91 (1951)

Germany [Democratic Republic] #91 (1951)

East Germany, formally the German Democratic Republic or GDR (Deutsche Demokratische Republik), was an Eastern Bloc state during the Cold War period. From 1949 to 1990, it administered the region of Germany that was occupied by Soviet forces at the end of World War II — the Soviet Occupation Zone of the Potsdam Agreement, bounded on the east by the Oder–Neisse line. The Soviet zone … Continue reading Germany [Democratic Republic] #91 (1951)