10 The Cisplatine War begins. December 26 (December 14 O.S.) – Some Imperial Russian Army officers stage the Decembrist revolt against Nicholas's accession in Saint Petersburg, but it is thoroughly suppressed by the government. Date unknown Bishkek, Kyrgyzstan is founded as a mudfort on the Silk Road The first horse-drawn omnibuses established in London. Hans Christian Ørsted reduces aluminium chloride to produce metallic aluminium. History of Brisbane: The Australian city of Brisbane is founded. A new Combination Act in the United Kingdom makes trade unions legal according to narrowly defined principles. Minh Mạng outlaws the teaching of Christianity in Vietnam. The United States Postal Service starts a dead letter office. London becomes the largest city in the world, taking the lead from Beijing. Births January–June January 11 – Clement V. Rogers, Cherokee politician, father of Will Rogers (d. 1911) January 25 – George Pickett, American Confederate general (d. 1876) January 31 – Miska Magyarics, Slovene poet in Hungary (d. 1883) February 8 – Henri Giffard, French engineer, pioneer in airship technology (d. 1882) February 10 – Geoffrey Hornby, British admiral (d. 1895) March 13 – Hans Gude, Norwegian romanticist landscape painter (d. 1903) March 16 – Camilo Castelo Branco, Portuguese writer (d. 1890) March 21 – Alexander Mozhaysky, Russian aeronautical pioneer (d. 1890) March 22 – Jane Sym, second wife of Canada's second prime minister (d. 1893) April 24 – Robert Michael Ballantyne, Scottish novelist (d. 1894) May 4 – Thomas Henry Huxley, English biologist (d. 1895) May 8 – George Bruce Malleson, English officer, author (d. 1898) May 9 – George Davidson, English-born geodesist, astronomer, geographer, surveyor, and engineer in the United States (d. 1911) June 3 – Sophie Sager, Swedish women's rights activist (d. 1902) July–December July 2 – Émile Ollivier, French statesman (d. 1913) July 19 – George H. Pendleton, American politician (d. 1889) July 21 – Práxedes Mateo Sagasta, Spanish politician, eight-time prime minister of Spain (d. 1903) August 31 – Robert Dunsmuir, Scottish industrialist, politician (d. 1889) September 4 – Dadabhai Naoroji, Indian politician (d. 1917) September 11 – Eduard Hanslick, Austrian music critic (d. 1904) September 13 – William Henry Rinehart, American sculptor (d. 1874) September 17 – Lucius Quintus Cincinnatus Lamar II, American politician, Associate Justice of the Supreme Court of the United States (d. 1893) September 25 – Joachim Heer, Swiss politician (d. 1879) October 8 – Paschal Beverly Randolph, American occultist