| 11911 | January 29 | Death | 2009 – Hélio Gracie, Brazilian martial artist (b. 1913) |
| 11912 | January 29 | Death | 2009 – John Martyn, English-Scottish singer-songwriter and guitarist (b. 1948) |
| 11913 | January 29 | Death | 2011 – Milton Babbitt, American composer, educator, and theorist (b. 1916) |
| 11914 | January 29 | Death | 2012 – Ranjit Singh Dyal, Indian general and politician 10th Lieutenant Governor of Puducherry (b. 1928) |
| 11915 | January 29 | Death | 2012 – Oscar Luigi Scalfaro, Italian lawyer and politician, 9th President of Italy (b. 1918) |
| 11916 | January 29 | Death | 2012 – Camilla Williams, American soprano and educator (b. 1919) |
| 11917 | January 29 | Death | 2013 – Said al-Muragha, Palestinian colonel (b. 1927) |
| 11918 | January 29 | Death | 2013 – Frank Hahn, German-English economist and academic (b. 1925) |
| 11919 | January 29 | Death | 2013 – Anselm Hollo, Finnish-American poet and academic (b. 1934) |
| 11920 | January 29 | Death | 2013 – Butch Morris, American cornet player, composer, and conductor (b. 1947) |
| 11921 | January 29 | Death | 2014 – François Cavanna, French journalist and author (b. 1923) |
| 11922 | January 29 | Death | 2014 – Lars Andreas Larssen, Norwegian actor (b. 1935) |
| 11923 | January 29 | Death | 2015 – Taeko Kono, Japanese author and critic (b. 1926) |
| 11924 | January 29 | Death | 2015 – Colleen McCullough, Australian neuroscientist, author (The Thorn Birds) and academic (b. 1937) |
| 11925 | January 29 | Death | 2015 – Rod McKuen, American singer-songwriter and poet (b. 1933) |
| 11926 | January 29 | Death | 2015 – Kel Nagle, Australian golfer (b. 1920) |
| 11927 | January 29 | Death | 2015 – Alexander Vraciu, American commander and pilot (b. 1918) |
| 11928 | January 29 | Holiday and observance | Christian feast day:Andrei Rublev (Episcopal Church (USA))Aquilinus of MilanGildasJoseph FreinademetzJuniperValerius of TrèvesJanuary 29 (Eastern Orthodox liturgics) |
| 11929 | January 29 | Holiday and observance | Earliest day on which Fat Tuesday can fall, while March 4 is the latest celebrated on Tuesday before Ash Wednesday. (Christianity) |
| 11930 | January 30 | Event | 1018 – Poland and the Holy Roman Empire conclude the Peace of Bautzen. |
| 11931 | January 30 | Event | 1607 – An estimated 200 square miles (51,800 ha) along the coasts of the Bristol Channel and Severn Estuary in England are destroyed by massive flooding, resulting in an estimated 2,000 deaths. |
| 11932 | January 30 | Event | 1648 – Eighty Years' War: The Treaty of Münster and Osnabrück is signed, ending the conflict between the Netherlands and Spain. |
| 11933 | January 30 | Event | 1649 – King Charles I of England is beheaded. |
| 11934 | January 30 | Event | 1661 – Oliver Cromwell, Lord Protector of the Commonwealth of England is ritually executed more than two years after his death, on the 12th anniversary of the execution of the monarch he himself deposed. |
| 11935 | January 30 | Event | 1667 – The Polish–Lithuanian Commonwealth cedes Kiev, Smolensk, and left-bank Ukraine to the Tsardom of Russia in the Treaty of Andrusovo. |
| 11936 | January 30 | Event | 1703 – The Forty-seven Ronin, under the command of Ōishi Kuranosuke, avenge the death of their master. |
| 11937 | January 30 | Event | 1789 – Tây Sơn forces emerge victorious against Qing armies and liberate the capital Thăng Long. |
| 11938 | January 30 | Event | 1790 – The first boat specializing as a lifeboat is tested on the River Tyne. |
| 11939 | January 30 | Event | 1806 – The original Lower Trenton Bridge (also called the Trenton Makes the World Takes Bridge), which spans the Delaware River between Morrisville, Pennsylvania and Trenton, New Jersey, is opened. |
| 11940 | January 30 | Event | 1820 – Edward Bransfield sights the Trinity Peninsula and claims the discovery of Antarctica. |