Nicolaus Copernicus: Heliocentric Revolution & De Revolutionibus
Encyclopedia/1. The Cosmos & The Natural World/3. Astronomy & Planetary Science/06. Astronomical Biographies • Curated by Admin Timeline.sg
Timeline of Nicolaus Copernicus, the Polish astronomer who formulated the heliocentric model of the solar system, culminating in the publication of De revolutionibus orbium coelestium in 1543.
Chronological Storyline (42 Milestones)
Feb 19, 1473 CE
Birth of Nicolaus Copernicus
Nicolaus Copernicus is born in Toruń, Royal Prussia, Kingdom of Poland. He is the youngest of four children. #biography #astronomy
Birth of Nicolaus Copernicus By Unknown author - http://www.frombork.art.pl/Ang10.htm https://www.welt.de/img/kultur/mobile152954235/1212503297-ci102l-w1024/Kopernikus-Gemaelde-in-Krakau.jpg https://muzeum.torun.pl/wp-content/uploads/2023/03/Portert-Mikolaja-Kopernika-MOT.jpg, Public domain, https://commons.wikimedia.org/w/index.php?curid=147956893
1483 CE
Father's Death
Copernicus's father dies, and his uncle Lucas Watzenrode the Younger becomes his guardian. #biography
1491 CE
Enrolls at University of Krakow
Copernicus begins studying at the University of Krakow (Academy of Krakow), where he is exposed to astronomy and mathematics. #education #astronomy
1495 CE
Appointed Canon of Warmia
With his uncle's influence, Copernicus is elected canon of the Warmia Cathedral Chapter in Frombork, providing financial support for his studies. #biography
1496 CE
Studies at Bologna University
Copernicus travels to Italy to study canon law at the University of Bologna, but also engages in astronomy under Domenico Maria Novara. #education #astronomy
1500 CE
Lectures in Rome
Copernicus lectures on astronomy and mathematics in Rome, attracting large audiences. #astronomy #biography
1501 CE
Studies Medicine at Padua
Copernicus enrolls at the University of Padua to study medicine while continuing his astronomical observations. #education #medicine
1503 CE
Doctorate in Canon Law from Ferrara
Copernicus receives a doctorate in canon law from the University of Ferrara. He returns to Warmia later that year. #education
1504 CE
Begins Astronomical Observations at Frombork
Copernicus returns to Frombork and begins systematic astronomical observations, partly to investigate the flaws in Ptolemaic astronomy. #astronomy #science
1507 CE
First Outline of Heliocentric Theory (Commentariolus)
Copernicus writes the Commentariolus (Little Commentary), a short manuscript outlining his heliocentric hypothesis. It circulates among scholars. #astronomy #history
First Outline of Heliocentric Theory (Commentariolus) By Unknown author - Nicolai Copernici de hypothesibus motuum coelestium a se constitutis commentariolus, Public domain, https://commons.wikimedia.org/w/index.php?curid=12068699
1510 CE
Moves to Frauenburg (Frombork) Permanently
Copernicus settles permanently in Frombork as a canon, serving as administrator, physician, and astronomer. #biography
Mar 29, 1512 CE
Uncle Lucas Watzenrode Dies
Copernicus's uncle and patron dies, reducing Copernicus's political influence but allowing him more time for astronomy. #biography
1513 CE
Observations of Solar and Lunar Eclipses
Copernicus observes solar and lunar eclipses, refining his models. He also builds an instrument to observe the sun. #astronomy
1514 CE
Commentariolus Completed and Circulated
The Commentariolus is fully drafted and circulated among friends and scholars, though not published. #astronomy #history
1515 CE
Begins Work on De Revolutionibus
Copernicus begins writing his major work, De revolutionibus orbium coelestium, presenting the heliocentric theory in detail. #astronomy #writing
Begins Work on De Revolutionibus By derivative work of Johannes Petreius 1543 edition of File:Nicolai_Copernici_torinensis_De_revolutionibus_orbium_coelestium.djvu - File:Nicolai_Copernici_torinensis_De_revolutionibus_orbium_coelestium.djvu, Public domain, https://commons.wikimedia.org/w/index.php?curid=5611684
1516 CE
Appointed Administrator of Warmia
Copernicus takes on administrative duties for the chapter, managing economic and political affairs. #biography
1519 CE
Polish-Teutonic War Disrupts Work
War between Poland and the Teutonic Order interrupts Copernicus's astronomical work. He participates in diplomatic negotiations. #history #biography
1520 CE
Defense of Allenstein Castle
During the war, Copernicus helps organize the defense of the Allenstein castle against the Teutonic Knights. #biography #history
1522 CE
Writes Treatise on Currency Reform
Copernicus writes an essay on currency reform, demonstrating his economic expertise. #economics #biography
1523 CE
Elected Chancellor of Warmia Chapter
Copernicus is elected as the chancellor of the Warmia chapter, serving temporarily as administrator after the death of the bishop. #biography
1525 CE
Observations of Mars and Saturn
Copernicus makes detailed observations of planetary positions, which he uses to refine his heliocentric models. #astronomy
1526 CE
Begins Correspondence with Scholars
Copernicus corresponds with other astronomers and scholars, gradually revealing his heliocentric ideas. #astronomy
1528 CE
Continues Work on De Revolutionibus
Copernicus continues refining the manuscript of De Revolutionibus, incorporating his latest observations. #astronomy #writing
1530 CE
Completion of First Draft of De Revolutionibus
Copernicus completes the first draft of De Revolutionibus, but hesitates to publish due to fear of criticism. #astronomy
1531 CE
Retires from Administrative Duties
Copernicus largely retires from administrative work to focus on astronomy and writing. #biography
1533 CE
Johann Albrecht Widmannstetter Lectures on Copernicus's Ideas
Widmannstetter lectures on Copernicus's heliocentric theory in Rome, gaining interest from Pope Clement VII. #astronomy #history
1535 CE
Completed Manuscript of De Revolutionibus
Copernicus substantially completes the manuscript of De Revolutionibus but still delays publication. #astronomy
1536 CE
Cardinal Nikolaus von Schönberg Requests Publication
Cardinal von Schönberg writes to Copernicus urging him to publish his work, but Copernicus hesitates. #astronomy #history
1538 CE
Copernicus's Health Declines
Copernicus begins suffering from health issues, possibly a stroke or illness. #biography
May 1, 1539 CE
Georg Joachim Rheticus Visits Copernicus
Rheticus, a young mathematician, travels to Frombork to study under Copernicus. He becomes the primary advocate for publishing De Revolutionibus. #astronomy #biography
1540 CE
Rheticus Publishes Narratio Prima
Rheticus publishes Narratio Prima (First Account), a summary of Copernicus's heliocentric theory, to test public reaction. #astronomy #publishing
Rheticus Publishes Narratio Prima By Georg Joachim Rheticus - http://special.library.louisville.edu/display-picture.asp?PIC=Rheticus.jpg&MODE=1&ID=467, Public domain, https://commons.wikimedia.org/w/index.php?curid=6627779
1541 CE
Copernicus Agrees to Full Publication
Encouraged by positive reception of Narratio Prima, Copernicus agrees to publish De Revolutionibus. He sends the manuscript to Rheticus. #astronomy
1542 CE
Copernicus Writes Dedication to Pope Paul III
Copernicus writes a dedication letter to Pope Paul III, explaining his reasons for publishing and defending his work against potential criticism. #astronomy #religion
Mar 1, 1543 CE
De Revolutionibus Goes to Press
The printing of De revolutionibus orbium coelestium begins in Nuremberg by printer Johannes Petreius. #publishing #astronomy
May 24, 1543 CE
Death of Nicolaus Copernicus
Nicolaus Copernicus dies in Frombork, Royal Prussia, at age 70. He is buried in Frombork Cathedral. #biography
May 24, 1543 CE
Copernicus Receives First Printed Copy on Deathbed
According to tradition, Copernicus is presented with the first printed copy of De Revolutionibus on the day of his death. He dies shortly after. #biography #astronomy
1543 CE
Posthumous Influence Begins
Despite Osiander's preface, Copernicus's heliocentric theory gradually influences astronomers like Tycho Brahe and Johannes Kepler. #astronomy #history
1543 CE
Copernicus Buried in Frombork Cathedral
Copernicus's remains are interred in Frombork Cathedral. His grave remained unknown for centuries until rediscovered in 2005. #biography
1543 CE
De Revolutionibus Published in Nuremberg
De revolutionibus orbium coelestium is published by Johannes Petreius in Nuremberg. It includes an unauthorized preface by Andreas Osiander stating that the theory is a hypothesis. #astronomy #publishing
1543 CE
Legacy of the Heliocentric Revolution
Copernicus's work lays the foundation for the Scientific Revolution, challenging the geocentric worldview and paving the way for future astronomers. #astronomy #science
2005 CE
Discovery of Copernicus's Grave
Archaeologists discover Copernicus's remains in Frombork Cathedral, confirmed by DNA analysis in 2008. #biography #archaeology
May 22, 2010 CE
Reburial of Copernicus
Copernicus's remains are reburied with full honors in Frombork Cathedral. #biography #history
