1855

Year 1855 () was a (link will display the full calendar) of the  (or a  of the 12-day slower ).

January - June

 * - is incorporated as a city.
 * - The first bridge over the opens in what is now, a crossing made today by the.
 * January 23 - The region of, was hit by the strongest  ever recorded in New Zealand, which reached Magnitude 8.1 on the . There were five deaths.
 * - signed in.
 * - The becomes the first railroad to connect the  and.
 * - resigns as  over the management of the.
 * - becomes Prime Minister of the United Kingdom.
 * - Kassa Hailu is crowned,.
 * - is founded as the Farmers' High School of Pennsylvania.
 * - appropriates $30,000 to create
 * - Taiping Rebellion: A Taiping army of 350,000 invades.
 * - Elections held for first legislature.  ans cross border in large numbers to elect  body.
 * - The in.
 * - The  begins publication.

July - December

 * - Kansas Territorial legislature convenes in and begins passing proslavery laws.
 * - Last in,.
 * - falls to the British troops.
 * - David Livingstone becomes the first European to see in what is now present-day -.
 * - Large-scale violence begins with events leading to "" between antislavery and proslavery forces.
 * - established.

Undated

 * was removed from in  creating   in the UK.

Births

 * -, American inventor (d. )
 * -, French composer (d. )
 * -, American firearms inventor (d. )
 * -, American bank clerk and inventor (d. )
 * -, American astronomer (d. )
 * -, American banker and philanthropist (d. )
 * -, 19th century baseball player (d. )
 * -, French feminist (d. )
 * -, English novelist (d. )
 * -, German-Dutch classical composer (d. )
 * -, Author of
 * -, German sociologist (d. )
 * -, Hungarian conductor (d. )
 * -, American activist (d. )
 * -, French meteorologist (d. )
 * -, American philanthropist and eugenicist (d. )
 * -, North Carolinan politician, founder of (d. )


 * See also .

Deaths

 * -, Italian explorer (b. )
 * -, English novelist and dramatist (b. )
 * -, French writer (b. )
 * -, member of the Swiss Federal Council (b. )
 * -, German mathematician, astronomer, and physicist (b. )
 * -, the 11th Russian Tsar (b. )
 * -, member of the Swiss Federal Council (b. )
 * -, English author (b. )
 * -, English politician (b. )
 * - English explorer (b. )
 * -, commander of British forces in the Crimean War (b. )
 * -, Russian admiral (b. )
 * -, (b. )
 * -, Danish philosopher (b. )
 * -, Lithuanian - Polish poet and writer (b. )


 * See also .