Editing 1836 (section)

=== January–March ===
* [[January 1]] — Hill Street Academy is named [[Colombo Academy]] and acquired by the Government, establishing the first public school in Sri Lanka.
* [[January 1]] – Queen [[Maria II of Portugal]] marries [[Ferdinand II of Portugal|Prince Ferdinand Augustus Francis Anthony of Saxe-Coburg-Gotha]].
* [[January 5]] – Former U.S. Representative [[Davy Crockett]] of Tennessee arrives in [[Texas]] to join the Texan fight for independence from Mexico.
* [[January 12]]
** {{HMS|Beagle}}, with [[Charles Darwin]] on board, reaches [[Sydney]].
** [[Will County, Illinois]], is formed.
* [[February 8]] – [[London and Greenwich Railway]] opens its first section, the first railway in London, England.<ref>{{cite book|last=Thomas|first=R. H. G.|title=London's First Railway – The London & Greenwich|year=1972|publisher=Batsford|location=London|isbn=0-7134-0468-X}}</ref>
* [[February 23]] – [[Texas Revolution]]: The [[Battle of the Alamo]] begins, with an American settler army surrounded by the Mexican Army, under [[Antonio López de Santa Anna|Santa Anna]].
* [[February 25]] – [[Samuel Colt]] receives a United States [[patent]] for the [[Colt Firearms|Colt]] [[revolver]], the first revolving barrel multishot firearm.
* [[March 1]] – [[Texas Revolution]] – [[Convention of 1836]]: Delegates from many [[Texas]] communities gather in [[Washington-on-the-Brazos, Texas]], to deliberate independence from Mexico.
* [[March 2]] – [[Texas Revolution]] – [[Convention of 1836]]: The [[Texas Declaration of Independence]] is signed by 60 delegates, and the [[Republic of Texas]] is declared.<ref>{{cite wikisource |title=Texas Declaration of Independence}}</ref>
* [[March 6]] – [[Texas Revolution]]: The [[Battle of the Alamo]] ends. At least 182 Texan settler soldiers die in a struggle against more than 2,000 Mexican soldiers.<ref>{{cite book |last1=Todish |first1=Timothy J. |last2=Todish |first2=Terry |last3=Spring |first3=Ted |title=Alamo Sourcebook, 1836: A Comprehensive Guide to the Battle of the Alamo and the Texas Revolution| publisher=Eakin Press|year=1998 |location=Austin, TX|isbn=978-1-57168-152-2}}</ref>
* [[March 11]] – [[Sultan Mahmud II]] abolishes the posts of ''[[Reis ül-Küttab]]'' and ''Kahya Bey'', and establishes the Ottoman ministries of Foreign Affairs and of the Interior in their place.
* [[March 17]] – [[Texas Revolution]] – [[Convention of 1836]]: Delegates adopt the [[Constitution of the Republic of Texas]], modeled after the [[United States Constitution]]. It allows slavery, requires [[free black]]s to petition Congress to live in the country, but prohibits import of slaves from anywhere but the United States.<ref>{{cite web|title=The Constitution of the Republic of Texas (1836)|url=http://tarlton.law.utexas.edu/constitutions/text/ccGP.html|publisher=University of Texas School of Law|access-date=9 December 2012|archive-url=https://web.archive.org/web/20130108073513/http://tarlton.law.utexas.edu/constitutions/text/ccGP.html|archive-date=January 8, 2013|url-status=dead}}</ref>
* [[March 27]]
** [[Texas Revolution]] – [[Goliad massacre]]: 342 Texan prisoners are shot and killed, along with Texan General [[James Walker Fannin]], by Mexican troops in [[Goliad, Texas|Goliad]], near the [[Presidio La Bahía]].
** The United States Survey of the Coast is returned to the [[U.S. Treasury Department]], and renamed the [[United States Coast and Geodetic Survey|U.S. Coast Survey]].
* [[March 29]] – [[Richard Wagner]]'s opera ''[[Das Liebesverbot]]'' is performed for the first time, in [[Magdeburg]].
* [[March 31]] (dated April) – The first monthly part of [[Charles Dickens]]'s ''[[The Pickwick Papers]]'' ("''The Posthumous Papers of the Pickwick Club...'', edited by Boz")  is published in London.