West Belarus is the name used sometimes in a historical context to denote the territory of modern Belarus that belonged to Second Polish Republic between Polish-Soviet War and World War II. Most of the Belarusian minority in Poland lived in that region. (...)
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Used in the 19th-century to triangulate a segment of a meridien and determine the size of the globe. The Struve Arc is a chain of survey triangulations stretching from Hammerfest in Norway to the Black Sea, through ten countries and over 2,820km. These are points of a survey, carried out between 1816 and 1855 by the astronomer Friedrich Georg Wilhelm Struve, which represented the first accurate measuring of a long segment of a meridian. This helped establish the exact size and shape of our planet and marked an important step in the development of earth sciences and topographic mapping. It is an extraordinary example of scientific collaboration among scientists from different countries, and of collaboration between monarchs for a scientific cause. The original arc consisted of 258 main triangles with 265 main station points. The listed site includes 34 of the original station points, with different markings, i.e. a drilled hole in rock, iron cross, cairns, or built obelis...
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