1845
| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 18th century – 19th century – 20th century |
| Decades: | 1810s 1820s 1830s – 1840s – 1850s 1860s 1870s |
| Years: | 1842 1843 1844 – 1845 – 1846 1847 1848 |
Births
- February 25 – George Reid, 4th Prime Minister of Australia (d. 1918)
- March 27 – Wilhelm Röntgen, German physician and Nobel Prize Laureate
- 10 March - Alexander III of Russia , Czar of Russia and father of Czar Nicholas II .