The 19th century
17,484 sourced entries across 100 documented years, grouped into 10 decades. A century here runs 1900–1999 rather than 1901–2000, so its decades sit inside it exactly; on the BC side the same rule puts 1–99 BC in the 1st century BC and 100 BC in the 2nd.
Decades
- The 1800s — 10 years, 1,473 entries
- The 1810s — 10 years, 1,538 entries
- The 1820s — 10 years, 1,468 entries
- The 1830s — 10 years, 1,600 entries
- The 1840s — 10 years, 1,722 entries
- The 1850s — 10 years, 1,789 entries
- The 1860s — 10 years, 1,956 entries
- The 1870s — 10 years, 1,879 entries
- The 1880s — 10 years, 1,937 entries
- The 1890s — 10 years, 2,122 entries
By subject
- Conflict & Security in the 19th century — 2,008 entries
- Geopolitics & Diplomacy in the 19th century — 1,927 entries
- Culture & Society in the 19th century — 1,923 entries
- Technology & Infrastructure in the 19th century — 1,436 entries
- Exploration & Expansion in the 19th century — 1,110 entries
- Religion & Belief in the 19th century — 998 entries
- Crime & Justice in the 19th century — 916 entries
- Science & Discovery in the 19th century — 853 entries
- Economy & Finance in the 19th century — 820 entries
- Disasters & Accidents in the 19th century — 712 entries
- Health & Medicine in the 19th century — 680 entries
- Climate & Environment in the 19th century — 503 entries
A few of the years
- 18001 January – Robert Owen becomes manager of the New Lanark spinning mills.
- 1812March 26 – In the United States, the Boston Gazette prints a political cartoon coining the term Gerrymander, after former Massachusetts Governor Elbridge Gerry's approval (on February 11) of legislation creating oddly shaped electoral districts, designed to help incumbents win re-election.
- 18242 April – The British government buys John Julius Angerstein's art collection for £60,000 for the purpose of establishing a National Gallery in London which opens to the public in his former townhouse on 10 May.
- 1836February 29 - Giacomo Meyerbeer's opera, Les Huguenots is performed for the first time in Paris, France.
- 1848March 15 – Hungarian Revolution of 1848: The Hungarian young revolutionary intellectuals, led by Sándor Petőfi, Mór Jókai and others, called the Márciusi Ifjak (Young men of March) organize peaceful mass demonstrations in Pest, forcing the city's Habsburg authorities to accept the 12 Points: the Hungarian claim for freedom and self-determination within the Habsburg Empire. On the same day, Lajos Kossuth and representatives of the Diet of Hungary go to Vienna, and force the emperor and Hungarian king Ferdinand I of Austria to accept Hungarian claims for self-determination within the empire.
- 1860May 15 – Expedition of the Thousand – Battle of Calatafimi: Troops under Giuseppe Garibaldi defeat the army of Naples in Sicily.
- 1872February 17 – Filipino priests José Burgos, Mariano Gomez and Jacinto Zamora, collectively known as Gomburza, are executed in Bagumbayan Fields, Manila, Philippines by the authorities of New Spain, on charges of subversion arising from the 1872 Cavite mutiny.
- 188418 February – English Jesuit poet Gerard Manley Hopkins takes up a post as professor of Greek and Latin at University College Dublin on St Stephen's Green, where he will remain until his death in 1889 and write his "terrible sonnets".