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19

The Prime Meridian we use now was the one the British chose, since it went through Greenwich Observatory near London. France had their own where Paris was 0 degrees, the US had one. When the situation of each nation having its own longitude got too annoying, they picked one. England's won out because of 2 factors: 1) England was the largest power at the ...


12

The book "Longitude" discusses this, and says the international standardization of the prime meridian arose mainly due to the publication of practical astronomical tables which used the Greenwich meridian. As ships started using these tables for navigation (as opposed to dead reckoning), they naturally switched to using the Greenwich meridian if they hadn't ...


12

There is a German Wikipedia entry for it, but I found no entry for this specific 'Schwedenschanze'. It is a military Sconce (fortification) (German: Schanze) or Hill fort, the name is based on the Thirty Years' War. Sweden (German: Schweden) was a participant during the war. It is not necessary, that the Schwedenschanze you found is a real Swedish sconce. ...


5

Although Euclid is renowned for his compilation of the axioms and theorems of plane geometry, most if not all of this material had been known for centuries. With these mathematical tools, and the use of strings and simple pedometers and protractors, remarkably accurate maps could be drawn by the ancients for territories that were relatively level and ...


5

I realise I am very late in answering this, but I cannot stress this enough: the best source by far for historical maps that I have ever found, is David Rumseys amazing online collections I would also like to point you in the direction of this book; Cartographies of Time though it might be more time-space related than what you are looking for.


2

You could check Wikipedia In the immediate post-World War One period, Skalat was seized by local Ukrainian activists, who declared that the town was part of West Ukrainian People's Republic. Polish - Ukrainian tension escalated, and climaxed in the Polish–Ukrainian War. On April 23, 1919, Ukrainian activists murdered a popular Roman Catholic parish ...


1

The choice of the Greenwich Meridian (for the 0 degree longitude) was arrived at during a time when Britain was the primary naval power and London was the "center" of the world. It is fortunate at the 180 degree line (relative to the Greenwich Meridian) mostly ran through the Pacific Ocean. That made it convenient to have much the international date line ...


1

Detailed Topographical Maps of Bavaria, including complete coverage at 1:50,000 scale during or near the Napoleonic Wars, are available here: http://www.bayerische-landesbibliothek-online.de/histkarten/suche?buchstabe=D&sortierung=Titel


1

The ODP has an entry for historical maps. (The ODP is a directory/catalogue for websites)



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