* 1830 – The Church of Christ, the original church of the Latter Day Saint movement, is organized by Joseph Smith, Jr. and others at Fayette or Manchester, New York.

* 1830 – Charles X of France abdicates the throne in favor of his grandson Henri.

* 1777 – Francis I of the Two Sicilies ( d. 1830 )

* 1762 – George IV of the United Kingdom ( d. 1830 )

* 1830 – The Belgian Revolution begins.

The 1830 – 1850 period later became known as the era of Jacksonian democracy.

* 1781 – Bhagwan Swaminarayan, Indian religious leader ( d. 1830 )

* 1830 – The Baltimore and Ohio Railroad's new Tom Thumb steam locomotive races a horse-drawn car, presaging steam's role in US railroading.

* 1756 – Jan Śniadecki, Polish mathematician ( d. 1830 )

* Henry Nicholas Paint ( 1830 – 1921 ), member of Parliament, merchant, landowner

In the late eighteenth and during the nineteenth century, Lithuanian participants in the 1794, 1830 – 1831, and 1863 rebellions against the Russian czarist rule were exiled to Abakan.

Abdülaziz ( Ottoman Turkish: عبد العزيز / ` Abdü ’ l -` Azīz ; February 9 / 18, 1830 – June 4, 1876 ) was the 32nd Sultan of the Ottoman Empire and reigned between 25 June 1861 and 30 May 1876.

Abdur Rahman Khan () ( between 1830 to 1844 – October 1, 1901 ) was Emir of Afghanistan from 1880 to 1901.

* 1775 – Charlotte of Spain ( d. 1830 )

People starting with John Oxley in 1817, 1818 and 1821, followed by Charles Sturt in 1829 – 1830 attempted to follow the westward-flowing rivers to find an " inland sea ", but these were found to all flow into the Murray River and Darling River which turn south.

Sir Thomas Grenville ( 1755 – 1846 ), a Trustee of The British Museum from 1830, assembled a fine library of 20, 240 volumes, which he left to the Museum in his will.

#*** Julie Charlotte Pauline Zénaïde Laetitia Désirée Bartholomée Bonaparte ( 1830 – 1900 )

#** Jerome Napoleon Bonaparte II ( 1830 – 1893 ), married Caroline Le Roy Appleton Edgar

One Pipiolo leader from the south, Ramón Freire, rode in and out of the presidency several times ( 1823 – 1827, 1828, 1829, 1830 ) but could not sustain his authority.

*** House of Bourbon – Condé branch ( 1557 – 1830 )

** Charles X ( 1824 – 1830 )

** Louis-Philippe ( 1830 – 1848 )

** Francis I ( 1825 – 1830 )

** Ferdinand II ( 1830 – 1859 )

Sir Robert Gordon, a younger son of the 3rd Earl of Aberdeen, acquired the lease in 1830 and made major alterations to the castle, with baronial-style extensions designed by John Smith of Aberdeen.

Jan. 1830 ( John Murray, London ).

In October 1830, John Allan married his second wife, Louisa Patterson.

* John Brown ( writer ) ( 1830 – 1922 ), Doctor of Divinity, pastor of Bunyan's Chapel, and author of many works of theology and church history

The work went without major notice until John Bowring reviewed Coleridge's Poetical Works for the January 1830 Westminster Review.

The first Europeans to live on the island, starting perhaps in 1830, were Patrick Burke and John Jones, Irish convicts who had escaped from Norfolk Island, according to Paradise for Sale.

Eugène Delacroix's Liberty Leading the People ( 1830, Louvre ), a painting created at a time where old and modern political philosophies came into violent conflict. During the Enlightenment period, new theories about what the human was and is and about the definition of reality and the way it was perceived, along with the discovery of other societies in the Americas, and the changing needs of political societies ( especially in the wake of the English Civil War, the American Revolution and the French Revolution ) led to new questions and insights by such thinkers as Jean-Jacques Rousseau, Montesquieu and John Locke.

Mission work in Samoa had begun in late 1830 by John Williams, of the London Missionary Society arriving in Sapapali ' i from The Cook Islands and Tahiti.

* 1814 – 1830 John Kaye

* 1830 – 1848 John Graham

Uniformitarianism was formulated by Scottish naturalists in the late 18th century, starting with the work of the geologist James Hutton, which was refined by John Playfair and popularised by Charles Lyell's Principles of Geology in 1830.

* February 24 – John Jacob Bausch, German-American optician who co-founded Bausch & Lomb ( b. 1830 )

* April 8 – John Campbell, Australian public servant and politician ( d. 1830 )

* McKivigan, John R. The War Against Proslavery Religion: Abolitionism and the Northern Churches, 1830 – 1865 Cornell Univ Press, 1984.

Established by the order of the Secretary of the Navy John Branch on 6 December 1830 as the Depot of Charts and Instruments, the Observatory rose from humble beginnings.

In an agreement between John Ferrabee and Edwin Budding dated May 18, 1830, Ferrabee paid the costs of development, obtained letters of patent and acquired rights to manufacture, sell and license other manufacturers in the production of lawn mowers.

A blue diamond with the same shape, size, and color as the Hope Diamond was recorded by John Francillon in the possession of the London diamond merchant Daniel Eliason in September 1812, the earliest point when the history of the Hope Diamond can be definitively fixed, although a second less definitive report suggests that the Hope Diamond's " authentic history " can only be traced back to 1830.

Muybridge was born in Kingston upon Thames, England on 9 April 1830 to John and Susan Muggeridge ; he had three brothers.

In November 1830 Te Rauparaha persuaded Captain John Stewart of the brig Elizabeth to carry him and his warriors in secret to Akaroa, where by subterfuge they captured the leading Ngāi Tahu chief, Te Maiharanui, and his wife and daughter.

St. Stephen's Church was consecrated by John Matthias Turner, Bishop of Calcutta, on November 5, 1830.

* John Henry Hobart, ( 1775 – 1830 ) the third Episcopal bishop of New York ( 1816 – 1830 )