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eTravel S.A. - Our company administers the largest hotel reservation systems in Poland. We are one of the largest operators of hotel services in Poland and thanks to this we are able to offer you hotel accommodation at discounts of up to 55% of the normal hotel rates. Our reservation systems, such as, make hundreds of bookings for individual and especially corporate clients. - is a most innovative reservation system in Poland. Bookings online. Hotels in Warsaw, hotels in Krakow (Cracow), Hotels in Gdansk, Hotels in Poznan and many other cities. Secure and safe transactions with eCard. Company services and group bookings. Automatic booking confirmation. The largest hotel database in Poland. Over 900 hotels online. The most certain and solid tourism operator – over 10 years of experience. Form 2002 to 2009 we had the most amount of hotel reservations in Poland.
polish astronomer, Nicolaus Copernicus, Mikołaj Kopernik, Kopernik, Copernicus
Nicolaus Copernicus (1473-1543) - renowned astronomer. Born in Toruń, and educated in the Universities of Cracow, Bologna, Padua where he read Medicine, and Ferrara where he earned a doctorate in Canon Law, Copernicus was the first in modern history to put forward a heliocentric theory of the Solar System. He first presented his discoveries in a preliminary draft entitled 'Commentariolus'in 1507, but did not publish a full version until the year of his death in the work 'De Revolutionibus Orbium Coelestium' (On the Revolutions of the Celestial Spheres).He was also a physician, economist, translator, cartographer and deviser of a system for the reform of the Julian calendar, and a public administrator (a servant of the King of Poland and was involved in the defence of Olsztyn Castle against an attack by the Teutonic Knights).
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