Polish–Lithuanian Commonwealth
Science and literature

The Commonwealth was an important European center for the development of modern social and political ideas. It was famous for its rare quasi-democratic political system, praised by philosophers, and during the Counter-Reformation was known for near-unparalleled religious tolerance, with peacefully coexisting Roman Catholic, Jewish, Orthodox Christian, Protestant and Muslim (Sufi) communities. In the 18th century, the French Catholic Rulhiere wrote of 16th century Poland: "This country, which in our day we have seen divided on the pretext of religion, is the first state in Europe that exemplified tolerance. In this state, mosques arose between churches and synagogues." The Commonwealth gave rise to the famous Christian sect of the Polish Brethren, antecedents of British and American Unitarianism.

With its political system, the Commonwealth gave birth to political philosophers such as Andrzej Frycz Modrzewski (1503–1572) (Pic. 9), Wawrzyniec Grzymała Goślicki (1530–1607) and Piotr Skarga (1536–1612). Later, works by Stanisław Staszic (1755–1826) and Hugo Kołłątaj (1750–1812) helped pave the way for the Constitution of 3 May 1791, which Norman Davies calls the first of its kind in Europe.

Kraków 's Jagiellonian University is one of the oldest universities in the world (established in 1364), together with the Jesuit Academy of Wilno (established in 1579) they were the major scholarly and scientific centers in the Commonwealth. The Komisja Edukacji Narodowej, Polish for Commission for National Education, formed in 1773, was the world's first national Ministry of Education. Commonwealth scientists included: Martin Kromer (1512–1589), historian and cartographer; Michael Sendivogius (1566–1636), alchemist and chemist; Jan Brożek (Ioannes Broscius in Latin) (1585–1652), polymath: a mathematician, physician and astronomer; Krzysztof Arciszewski (Crestofle d'Artischau Arciszewski in Portuguese) (1592–1656), engineer, ethnographer, general and admiral of the Dutch West Indies Company army in the war with the Spanish Empire for control of Brazil; Kazimierz Siemienowicz (1600–1651), military engineer, artillery specialist and a founder of rocketry; Johannes Hevelius (1611–1687), astronomer, founder of lunar topography; Michał Boym (1612–1659), orientalist, cartographer, naturalist and diplomat in Ming Dynasty 's service (Pic. 11); Adam Adamandy Kochański (1631–1700), mathematician and engineer; Baal Shem Tov (הבעל שם טוב in Hebrew) (1698–1760), considered to be the founder of Hasidic Judaism; Marcin Odlanicki Poczobutt (1728–1810), astronomer and mathematician (Pic. 12); Jan Krzysztof Kluk (1739–1796), naturalist, agronomist and entomologist, John Jonston (1603–1675) scholar and physician, descended from Scottish nobility. In 1628 the Czech teacher, scientist, educator, and writer John Amos Comenius took refuge in the Commonwealth, when the Protestants were persecuted under the Counter Reformation.

The works of many Commonwealth authors are considered classics, including those of Jan Kochanowski (Pic. 10), Wacław Potocki, Ignacy Krasicki, and Julian Ursyn Niemcewicz. Many szlachta members wrote memoirs and diaries. Perhaps the most famous are the Memoirs of Polish History by Albrycht Stanisław Radziwiłł (1595–1656) and the Memoirs of Jan Chryzostom Pasek (ca. 1636– ca. 1701). Jakub Sobieski (1590–1646) (father of John III Sobieski) wrote notable diaries. During the Khotyn expedition in 1621 he wrote a diary called Commentariorum chotinensis belli libri tres (Diary of the Chocim War), which was published in 1646 in Gdańsk. It was used by Wacław Potocki as a basis for his epic poem, Transakcja wojny chocimskiej (The Progress of the War of Chocim). He also authored instructions for the journey of his sons to Kraków (1640) and France (1645), a good example of liberal education of the era.
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