Editing December 26 (section)

===1601–1900===
*[[1704]] &ndash; [[Second Battle of Anandpur]]: In the Second Battle of Anandpur, Aurangzeb's two generals, Wazir Khan and Zaberdast Khan executed two children of [[Guru Gobind Singh]], Zorawar Singh aged eight and Fateh Singh aged five, by burying them alive into a wall.<ref>{{cite book|first1=Louis E.|last1=Fenech|first2=W. H.|last2=McLeod|author-link2=W. H. McLeod|title=Historical Dictionary of Sikhism|url=https://books.google.com/books?id=xajcAwAAQBAJ |year=2014|publisher=[[Rowman & Littlefield]] |isbn=978-1-4422-3601-1 |page=9|postscript=none}}; {{cite book|first=Nikky-Guninder Kaur|last=Singh|title=Sikhism: An Introduction|url=https://books.google.com/books?id=w8yWAwAAQBAJ&pg=PT84 |year=2011|publisher=[[I.B.Tauris]]|isbn= 978-0-85773-549-2|pages=84–85}}</ref>
*[[1709]] &ndash; The opera ''[[Agrippina (opera)|Agrippina]]'' by [[George Frideric Handel]] premiered in Venice.<ref>Dean, Winton; and [[J. Merrill Knapp]] (1995), ''Handel's Operas, 1704–1726'' (Revised edition). p. 128. Clarendon Press, Oxford. {{ISBN|0-19-816441-6}}.</ref>
*[[1723]] &ndash; [[Johann Sebastian Bach|Bach]] led the first performance of [[Darzu ist erschienen der Sohn Gottes, BWV 40|''Darzu ist erschienen der Sohn Gottes'', BWV 40]], his first [[Christmas Cantata]] composed for Leipzig.<ref>{{cite web | last = Wolff | first = Christoph | author-link = Christoph Wolff | url = http://www.bach-cantatas.com/Pic-Rec-BIG/Koopman-C08-1c%5BErato-3CD%5D.pdf | title = On the first cycle of Bach's cantatas for the Leipzig liturgy (1723–1724) (III) | publisher = Bach Cantatas Website | date = 1998 | access-date = 4 December 2012 }}</ref>
*[[1776]] &ndash; [[American Revolutionary War]]: In the [[Battle of Trenton]], the [[Continental Army]] under General [[George Washington]] executes a successful surprise attack and defeats a garrison of [[Hessian (soldier)|Hessian forces]] serving [[Kingdom of Great Britain|Great Britain]].<ref>{{cite book|last=Fischer|first=David Hackett|title=Washington's Crossing|location=New York|publisher=Oxford University Press|date=2006|isbn=9780195181593|url=https://books.google.com/books?id=Oreq1YztDcQC|pages=234–235, 512 fn.27}}</ref>
*[[1790]] &ndash; [[Louis XVI]] of France gives his public assent to [[Civil Constitution of the Clergy]] during the [[French Revolution]].<ref>{{cite book|last=Lever|first=Evelyne|title=Marie Antoinette: The Last Queen of France|location=New York|publisher=St. Martin's Griffin|date=2001|isbn=9780312283339|url=https://books.google.com/books?id=5_VdPU55KCoC|page=245}}</ref>
*[[1793]] &ndash; [[Second Battle of Wissembourg (1793)|Second Battle of Wissembourg]]: France defeats Austria.<ref>{{cite book|last=Van Husen|first=William H.|chapter=Weissenburg, Second Battle of (December 1793)|title=Germany at War: 400 Years of Military History. Volume 4: U—Z|editor-last=Zabecki|editor-first=David T.|location=Santa Barbara, Calif.|publisher=ABC-CLIO|date=2014|isbn=9781598849806|url=https://books.google.com/books?id=rCWMBQAAQBAJ|page=1430}}</ref>
*[[1799]] &ndash; [[Henry Lee III]]'s eulogy to [[George Washington]] in congress declares him as "first in war, first in peace and first in the hearts of his countrymen".<ref>{{cite book|last=Knight|first=Lucian Lamar|title=Georgia's Landmarks, Memorials, and Legends|location=Atlanta|publisher=Byrd Printing Co.|date=1913|oclc=1333051|url=https://books.google.com/books?id=lEkUAAAAYAAJ|page=3}}</ref>
*[[1805]] &ndash; Austria and France sign the [[Peace of Pressburg (1805)|Treaty of Pressburg]].<ref>{{cite book|last1=Holt|first1=Lucius Hudson|last2=Chilton|first2=Alexander Wheeler|title=A Brief History of Europe From 1789 to 1815|location=New York|publisher=Macmillan|date=1919|oclc=977176927|url=https://books.google.com/books?id=7tkLAAAAYAAJ|page=223}}</ref>
*[[1806]] &ndash; Battles of [[Battle of Pułtusk|Pultusk]] and [[Battle of Golymin|Golymin]]: Russian forces hold [[First French Empire|French]] forces under [[Napoleon]].<ref>{{cite book|last=Stewart|first=Henry|title=Our Redcoats and Bluejackets: War Pictures on Land and Sea|location=London|publisher=John Hogg|date=1879|oclc=266089353|url=https://books.google.com/books?id=cI8BAAAAQAAJ|page=85}}</ref>
*[[1811]] &ndash; A [[Richmond Theatre fire|theater fire]] in [[Richmond, Virginia]] kills 72 people, including the [[Governor of Virginia]] [[George William Smith (politician)|George William Smith]] and the president of the First National Bank of Virginia [[Abraham B. Venable]].<ref>{{cite book|last=Baker|first=Meredith Henne|title=The Richmond Theater Fire: Early America's First Great Disaster|location=Baton Rouge|publisher=Louisiana State University Press|date=2012|isbn=9780807143742|url=https://books.google.com/books?id=Th9fDwAAQBAJ|pages=ix, 17, 34}}</ref>
*[[1825]] &ndash; Advocates of [[liberalism]] in Russia rise up against [[Nicholas I of Russia|Czar Nicholas I]] in the [[Decembrist revolt]], but are later suppressed.<ref>{{cite book|last1=Karnaukhova|first1=Oxana|last2=Verdugo|first2=Richard R.|chapter=Russian National Identity|title=National Identity: Theory and Research|editor-last1=Verdugo|editor-first1=Richard R.|editor-last2=Milne|editor-first2=Andrew|location=Charlotte, N.C.|publisher=Information Age Publishing|date=2016|isbn=9781681235233|url=https://books.google.com/books?id=qAcoDwAAQBAJ|page=180 fn. 17}}</ref>
*[[1843]] &ndash; The discovery of [[octonions]] by [[John T. Graves]], who denoted them with a boldface '''O''', was announced to his mathematician friend [[William Rowan Hamilton|William Hamilton]], discoverer of [[quaternions]], in a letter on this date.<ref>{{Cite book |last1=Sabadini |first1=Irene |url=https://books.google.com/books?id=H-5v6pPpyb4C&dq=december%2026,%201843%20octonion&pg=PA168 |title=Hypercomplex Analysis |last2=Shapiro |first2=Michael |last3=Sommen |first3=Franciscus |date=2009-04-21 |publisher=Springer Science & Business Media |isbn=978-3-7643-9893-4}}</ref>
*[[1860]] &ndash; First [[Rules derby]] is held between [[Sheffield F.C.]] and [[Hallam F.C.]], the oldest football fixture in the world.<ref>{{cite news|title=World's oldest football teams play in derby|url=https://www.bbc.co.uk/news/uk-england-south-yorkshire-23471740|access-date=25 July 2016|publisher=BBC|date=27 July 2013}}</ref>
*[[1861]] &ndash; [[American Civil War]]: The [[Trent Affair|''Trent'' Affair]]: [[Confederate States of America|Confederate]] diplomatic envoys [[James M. Mason|James Murray Mason]] and [[John Slidell]] are freed by the United States government, thus easing tensions between the U.S. and the United Kingdom.<ref>{{cite book|last=Barney|first=William L.|title=The Oxford Encyclopedia of the Civil War|location=New York|publisher=Oxford University Press|date=2011|isbn=9780199782017|url=https://books.google.com/books?id=vC5T-O9afXEC|page=323}}</ref>
*[[1862]] &ndash; American Civil War: The [[Battle of Chickasaw Bayou]] begins as [[Union (American Civil War)|Union]] General [[William Tecumseh Sherman|William T. Sherman]] starts landing his troops in an attempt to advance on [[Vicksburg, Mississippi]].<ref>{{cite book|last=Jones|first=Terry L.|title=Historical Dictionary of the Civil War|location=Lanham, Md.|publisher=Scarecrow Press|date=2011|isbn=9780810878112|url=https://books.google.com/books?id=VXEMyi7gS5IC|page=xxx}}</ref>
* 1862 &ndash; [[Dakota War of 1862]]: The [[Dakota War of 1862#Execution|largest mass-hanging in U.S. history]] takes place in [[Mankato, Minnesota]], where 38 Native American prisoners are hanged.<ref>{{Cite web|url=https://www.mprnews.org/story/2017/06/08/mankato-hangings-an-uneasy-topic-for-minnesota-schools|title=History we don't teach: Mankato hangings an uneasy topic for MN schools|last=Wastvedt|first=Solvejg|website=mprnews.org|date=9 June 2017 |access-date=2019-02-27}}</ref>
*[[1871]] &ndash; ''[[Thespis (opera)|Thespis]]'', the first [[Gilbert and Sullivan]] collaboration, debuts.<ref>{{cite book|last=Wren|first=Gayden|title=A Most Ingenious Paradox: The Art of Gilbert and Sullivan|location=Oxford, UK|publisher=Oxford University Press|date=2001|isbn=9780195301724|url=https://books.google.com/books?id=y8dtxOyag2wC|page=24}}</ref>
*[[1898]] &ndash; [[Marie Curie|Marie]] and [[Pierre Curie]] announce the isolation of [[radium]].<ref>{{cite book|last1=Strikman|first1=Mark|last2=Spartalian|first2=Kevork|last3=Cole|first3=Milton|title=Applications of Modern Physics in Medicine|location=Princeton, N.J.|publisher=Princeton University Press|date=2015|isbn=9780691125862|url=https://books.google.com/books?id=FFgiBQAAQBAJ|page=68}}</ref>