Events relating to europe
Irish nationalist Daniel O'Connell wins a sensational by-election victory to join the Westminster parliament

William Burke and William Hare murder 16 victims and sell their bodies to the Edinburgh Medical School for anatomical study
James Stirling explores up the Swan River in western Australia to find a site for the settlement which he names Perth
The Metropolitan Police, set up in London by Robert Peel, become known as 'bobbies' from his first name

The Emancipation Act, enabling Daniel O'Connell to take his seat at Westminster, at last removes the restrictions on Catholics in UK public life
Gioacchino Rossini's opera William Tell has its premiere in Paris
German composer Felix Mendelssohn visits the Hebrides and see's Fingal's Cave, later the theme of his Hebrides Overture

Oxford and Cambridge compete against each other in the first university boat race, held at Henley

The locomotive Rocket, built by George and Robert Stephenson, defeats two rivals in the Rainhill trials, near Liverpool
Victor Hugo's romantic drama Hernani provokes a riot in the Paris audience on the first night
The death of the last infant cousin senior to her in the royal succession makes Victoria heir to the British throne
Richard Lander and his brother John explore the lower reaches of the Niger, proving that the great river is navigable
Earl Grey becomes British prime minister at the head of a Whig government committed to reform
A revolution erupts in Paris in July and sweeps Charles X from the throne
Louis-Philippe, the Citizen King, is welcomed in Paris in a new role – as 'king of the French, by the will of the people'
Milosh Obrenovich wins recognition for an autonomous Serbia, with himself as prince
A French army invades Algeria, beginning the process which brings the region within the French empire
French author Stendhal publishes his novel Le Rouge et Le Noir ('The Red and the Black')

George Stephenson's railway between Liverpool and Manchester opens, with passengers pulled by eight locomotives based on Rocket
The Symphonie fantastique by French composer Hector Berlioz has its premiere in Paris
Italian nationalist Giuseppe Mazzini founds Young Italy, an organization to promote insurrection
The last surviving Aborigines of Tasmania are moved by the British to a small island where they soon die out
The first Whig Reform Bill is carried in the British House of Commons by a single vote
Victor Hugo publishes his novel The Hunchback of Notre Dame, in which the hunchback, Quasimodo, is obsessed with Esmeralda
Pedro I abdicates in Brazil and returns to Europe to recover his Portuguese throne (as Pedro IV)