Dmitry Mendeleev
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Dmitry Mendeleev
Dmitri Ivanovich Mendeleev (sometimes transliterated as Mendeleyev or Mendeleef) ( ; russian: links=no, Дмитрий Иванович Менделеев, tr. , ; 8 February Old_Style_and_New_Style_dates">O.S._27_January.html" ;"title="Old_Style_and_New_Style_dates.html" ;"title="nowiki/> O.S._27_January">Old_Style_and_New_Style_dates.html"_;"title="nowiki/>Old_Style_and_New_Style_dates">O.S._27_January18342_February_[O.S._20_January.html" ;"title="Old Style and New Style dates">O.S. 27 January">Old_Style_and_New_Style_dates.html" ;"title="nowiki/>Old Style and New Style dates">O.S. 27 January18342 February [O.S. 20 January">Old Style and New Style dates">O.S. 27 January">Old_Style_and_New_Style_dates.html" ;"title="nowiki/>Old Style and New Style dates">O.S. 27 January18342 February [O.S. 20 January1907) was a Russian chemist and inventor. He is best known for formulating the Periodic Law and creating a version of the periodic table, periodic table of elements. He used th ...
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Tobolsk Governorate
Tobolsk Governorate (russian: Тобольская губерния) was an administrative division (a '' guberniya'') of the Russian Empire, Russian Republic and RSFSR located in the Ural Mountains and Siberia. It existed from 1796 to 1920; its seat was in the city of Tobolsk, in 1919–1920 in the city of Tyumen. General information Its total area as of 1913 was . According to data at the end of the 19th century, the area of the Governorate was divided into 10 ''uezds'' (until 1898, ''okrugs''). History 18th century In official documents of the second half of the 18th century, the name ''Tobolsk Governorate'' is often used as a designation for Siberia Governorate in the last stage of its existence (1764–1782). On 19 January ( 30 January) 1782, Tobolsk Governorate was formed by decree of the Empress of Russia Catherine II as part of the Tobolsk Viceroyalty with two oblasts: Tobolsk Oblast (included ten ''uezds'') and Tomsk Oblast (six ''uezds''), which became part o ...
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