1803 in Germany

Events in the year 1803 in Germany

Incumbents

Baden- Charles Frederick (27 April 1803{{snd}}6 August 1806)
Bavaria- Maximilian I (16 February 1799{{snd}}6 August 1806){{Cite EB1911|volume=17|page=921|wstitle=Maximilian I., king of Bavaria}}
Saxony- Frederick Augustus I (17 December 1763{{snd}}20 December 1806){{Cite web|title=General German Biography - Wikisource|url=https://de.wikisource.org/wiki/Allgemeine_Deutsche_Biographie|access-date=24 January 2021}}
Württemberg - Frederick I (1803{{snd}}30 October 1816){{Cite book|last=David|first=Saul|url=https://archive.org/details/princeofpleasure00davi|title=Prince of pleasure : the Prince of Wales and the making of the Regency|date=1998|publisher=New York : Atlantic Monthly Press|isbn=978-0-87113-739-5|access-date=24 January 2021}}

Kingdom of Prussia
Monarch – Frederick William III of Prussia (16 November 1797{{snd}}7 June 1840){{Britannica|218066|Frederick William III}}

Grand Duke of Mecklenburg-Schwerin
Frederick Francis I (24 April 1785{{snd}}1 February 1837)
Grand Duke of Mecklenburg-Strelitz
Charles II (2 June 1794{{snd}}6 November 1816){{cite book |last= Huish |first= Robert | title =Public and Private Life His Late Excellent and most Gracious Majesty George The Third | publisher =T. Kelly | year =1821 | page =170 }}
Grand Duke of Oldenburg
Wilhelm (6 July 1785{{snd}}2 July 1823) Due to mental illness, Wilhelm was duke in name only, with his cousin Peter, Prince-Bishop of Lübeck, acting as regent throughout his entire reign.{{cite web |title=Oldenburg Royal Family |url=http://www.btinternet.com/~allan_raymond/Oldenburg_Royal_Family.htm |website=Monarchies of Europe |archive-url=https://web.archive.org/web/20060317161934/http://www.btinternet.com/~allan_raymond/Oldenburg_Royal_Family.htm |access-date=1 January 2021|archive-date=17 March 2006 }}
Peter I (2 July 1823{{snd}}21 May 1829)
Grand Duke of Saxe-Weimar
Karl August (1758–1809) Raised to grand duchy in 1809

Schaumburg-Lippe
George William (13 February 1787{{snd}}1860)
Schwarzburg-Rudolstadt
Louis Frederick II (13 April 1793{{snd}}28 April 1807){{Cite book| publisher = Thüringer Chronik-Verlag Müllerott| isbn = 978-3-910132-29-0| last1 = Apfelstedt| first1 = F.| last2 = Apfelstedt| first2 = Heinrich Friedrich Theodor| title = Das Haus Kevernburg-Schwarzburg von seinem Ursprunge bis auf unsere Zeit| date = 1996}}
Schwarzburg-Sondershausen
Günther Friedrich Karl I (14 October 1794{{snd}}19 August 1835)
Principality of Lippe
Leopold II (5 November 1802{{snd}}1 January 1851){{cite book |year=1850 |publisher=Justus Perthes |edition=87th |title=Almanach de Gotha |page=38 }}
Principality of Reuss-Greiz
Heinrich XIII (28 June 1800{{snd}}29 January 1817)
Waldeck and Pyrmont
Friedrich Karl August (29 August 1763{{snd}}24 September 1812)

Duke of Anhalt-Dessau
Leopold III (16 December 1751{{snd}}9 August 1817)J. Morley, "The Bauhaus Effect," in Social Utopias of the Twenties (Germany: Müller Bushmann press, 1995), 11.
Duke of Saxe-Altenburg
Duke of Saxe-Hildburghausen (1780–1826) - Frederick
Duke of Saxe-Coburg-Saalfeld
Francis (8 September 1800{{snd}}9 December 1806)
Duke of Saxe-Meiningen
Bernhard II (24 December 1803{{snd}}20 September 1866){{cite web|url=http://www.meiningermuseen.de/pages/schloss/personen/herzogliche-familie/georg-i.php|title=Biografie Georg I (German)|publisher=Meininger Museen|access-date=8 September 2014|archive-url=https://web.archive.org/web/20110915152148/http://www.meiningermuseen.de/pages/schloss/personen/herzogliche-familie/georg-i.php|archive-date=15 September 2011|url-status=dead}}
Duke of Schleswig-Holstein-Sonderburg-Beck
Frederick Charles Louis (24 February 1775{{snd}}25 March 1816){{cite book|last=Albinus|first=Robert|title=Lexikon der Stadt Königsberg Pr. und Umgebung|publisher=Verlag Gerhard Rautenberg|year=1985|isbn=3-7921-0320-6|location=Leer|pages=371|language=de}}

Landgrave of Hesse-Darmstadt
Louis I (6 April 1790{{snd}}14 August 1806){{cite book|title=Genealogie ascendante jusqu'au quatrieme degre inclusivement de tous les Rois et Princes de maisons souveraines de l'Europe actuellement vivans| trans-title=Genealogy up to the fourth degree inclusive of all the Kings and Princes of sovereign houses of Europe currently living |url=https://books.google.com/books?id=AINPAAAAcAAJ&pg=PA38|year=1768|publisher=Frederic Guillaume Birnstiel|location=Bourdeaux|language=fr|page=38}}

25 February – A major redistribution of territorial sovereignty within the Holy Roman Empire is enacted via an act known as the Reichsdeputationshauptschluss.
30 May – Following Britain's declaration of war on France, Édouard Mortier leads 12,000 troops in an Invasion of Hanover
5 July – The convention of Artlenburg confirms the French occupation of Hanover (which had been ruled by the British king).

15 February
John Sutter, pioneer (died 1880)[http://www.hls-dhs-dss.ch/textes/d/D29855.php Historisches Lexikon der Schweiz]
Karl Friedrich Schimper, botanist, naturalist and poet (died 1867){{cite web |title=Karl Friedrich SCHIMPER |url=http://gedbas.genealogy.net/person/show/1207517880 |website=GEDBAS |access-date=29 August 2018}}
26 February – Arnold Adolph Berthold, physiologist and zoologist (died 1861){{cite journal|journal=The Endocrinologist|title=Arnold Adolph Berthold and the Transplantation of Testes|volume=6|number=3|pages=164–168|date=May 1996|doi=10.1097/00019616-199605000-00002|url=http://labs.bio.unc.edu/Goldstein/Berthold.pdf}}
17 March Carl Jacob Löwig, chemist (died 1890){{cite journal| title = Nekrolog: Carl Löwig | author = Hans Heinrich Landolt | journal = Berichte der deutschen chemischen Gesellschaft | volume = 23| issue = 3 | pages = 905–909| year = 1890| url =https://zenodo.org/record/1425608 | doi = 10.1002/cber.18900230395}}
12 May – Justus von Liebig, chemist (died 1873){{cite web |url=http://www.dwc.knaw.nl/biografie/pmknaw/?pagetype=authorDetail&aId=PE00001583 |title=J. von Liebig (1803 - 1873) |publisher=Royal Netherlands Academy of Arts and Sciences |access-date=26 July 2015}}

8 July – Julius Mosen, poet (died 1867)
17 July – Johann Samuel Eduard d'Alton, anatomist (died 1854)
19 July – Wolfgang Franz von Kobell, mineralogist and writer (died 1882)
5 October – Friedrich Bernhard Westphal, painter (died 1844)
29 November – Gottfried Semper, architect (died 1879)
26 September – Adrian Ludwig Richter, German painter (died 1884)
6 October – Heinrich Wilhelm Dove, German physicist and meteorologist (died 1879)
31 December – Johann Carl Fuhlrott, German paleoanthropologist (died 1877)