| 9211 | January 21 | Holiday and observance | Christian feast day:AgnesFructuosusJohn Yi Yun-il (one of The Korean Martyrs)Meinrad of EinsiedelnJanuary 21 (Eastern Orthodox liturgics) |
| 9212 | January 21 | Holiday and observance | Errol Barrow Day (Barbados) |
| 9213 | January 21 | Holiday and observance | Flag Day (Quebec) |
| 9214 | January 21 | Holiday and observance | Lady of Altagracia Day (Dominican Republic) |
| 9215 | January 21 | Holiday and observance | National Hug Day (United States) |
| 9216 | January 22 | Event | 613 – Eight-month-old Constantine is crowned as co-emperor (Caesar) by his father Heraclius at Constantinople. |
| 9217 | January 22 | Event | 1506 – The first contingent of 150 Swiss Guards arrives at the Vatican. |
| 9218 | January 22 | Event | 1517 – The Ottoman Empire under Selim I defeats the Mamluk Sultanate and captures present-day Egypt at the Battle of Ridaniya. |
| 9219 | January 22 | Event | 1521 – Emperor Charles V opens the Diet of Worms |
| 9220 | January 22 | Event | 1555 – The Ava Kingdom falls to the Taungoo Dynasty in what is now present-day Burma. |
| 9221 | January 22 | Event | 1689 – The Convention Parliament convenes to determine whether James II and VII, the last Roman Catholic monarch of England, Ireland and Scotland, had vacated the thrones when he fled to France in 1688. |
| 9222 | January 22 | Event | 1824 – The Ashantis defeat British forces in the Gold Coast. |
| 9223 | January 22 | Event | 1849 – Second Anglo-Sikh War: The Siege of Multan ends after nine months when the last Sikh defenders of Multan, Punjab, surrender. |
| 9224 | January 22 | Event | 1863 – The January Uprising breaks out in Poland, Lithuania and Belarus. The aim of the national movement is to regain Polish–Lithuanian–Ruthenian Commonwealth from occupation by Russia. |
| 9225 | January 22 | Event | 1877 – Arthur Tooth, an Anglican clergyman is taken into custody after being prosecuted for using ritualist practices. |
| 9226 | January 22 | Event | 1879 – Anglo-Zulu War: Battle of Isandlwana: Zulu troops decisively defeat British troops. |
| 9227 | January 22 | Event | 1879 – Anglo-Zulu War: Battle of Rorke's Drift: One hundred thirty-nine British soldiers successfully defend their garrison against an onslaught by three to four thousand Zulu warriors. |
| 9228 | January 22 | Event | 1889 – Columbia Phonograph is formed in Washington, D.C. |
| 9229 | January 22 | Event | 1890 – The United Mine Workers of America is founded in Columbus, Ohio. |
| 9230 | January 22 | Event | 1899 – Leaders of six Australian colonies meet in Melbourne to discuss confederation. |
| 9231 | January 22 | Event | 1901 – Edward VII is proclaimed King after the death of his mother, Queen Victoria. |
| 9232 | January 22 | Event | 1905 – Bloody Sunday in Saint Petersburg, beginning of the 1905 revolution. |
| 9233 | January 22 | Event | 1906 – SS Valencia runs aground on rocks on Vancouver Island, British Columbia, killing more than 130. |
| 9234 | January 22 | Event | 1915 – Over 600 people are killed in Guadalajara, Mexico, when a train plunges off the tracks into a deep canyon. |
| 9235 | January 22 | Event | 1917 – World War I: President Woodrow Wilson of the still-neutral United States calls for "peace without victory" in Europe. |
| 9236 | January 22 | Event | 1919 – Act Zluky is signed, unifying the Ukrainian People's Republic and the West Ukrainian National Republic. |
| 9237 | January 22 | Event | 1924 – Ramsay MacDonald becomes the first Labour Prime Minister of the United Kingdom. |
| 9238 | January 22 | Event | 1927 – Teddy Wakelam gives the first live radio commentary of a football match anywhere in the world, between Arsenal F.C. and Sheffield United at Highbury. |
| 9239 | January 22 | Event | 1941 – World War II: British and Commonwealth troops capture Tobruk from Italian forces during Operation Compass. |
| 9240 | January 22 | Event | 1944 – World War II: The Allies commence Operation Shingle, an assault on Anzio and Nettuno, Italy. |