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

* 1830 – The first revenue trains in the United States begin service on the Baltimore and Ohio Railroad between Baltimore, Maryland and Ellicott's Mills, Maryland.

On May 22, 1830, the inaugural horse-drawn train of the B & O Railroad travelled the of the newly-completed track from Mount Clare Station in Baltimore City to Ellicott Mills in Anne Arundel County.

The Baltimore and Ohio Railroad, which initially opened in 1830 with of track, was horse powered.

The Baltimore and Ohio, opened in 1830, was the first to evolve into a major system.

The first section, from Baltimore west to Ellicott's Mills ( now known as Ellicott City ), opened on May 24, 1830.

* 1820s and 1830s: The Baltimore and Ohio is incorporated in 1827 and officially opens in 1830.

In response to actual and threatened expulsions, a convention was held in Baltimore, November 12, 1828, an initial organization was formed with the provisional name of " The Associated Methodist Churches ," temporary Articles of Association adopted, and its first General Conference scheduled for 1830.

Seeing the B & O as a natural market for iron rails to be made from his ore, he founded the Canton Iron Works in Baltimore, and when the railroad developed technical problems, he put together the Tom Thumb steam locomotive for them in 1830 from various old parts, including musket barrels, and some small-scale steam engines he had fiddled with back in New York.

To link the port of Baltimore to the Ohio River, the state of Maryland in 1827 chartered the Baltimore and Ohio Railroad ( B & O ), the first section of which opened in 1830.

The Baltimore and Ohio Railroad was the first common carrier, starting passenger train service in 1830.

Born in Baltimore, Maryland, Wood graduated from the Medical School at the University of Maryland, was appointed Assistant Surgeon on May 16, 1829, and, between 1830 and 1834, served with the West Indies and Home Squadrons, as well as with the Army during the Seminole Wars.

1830 ), North Point, or, Baltimore Defended ( 1833 ), and Montgomerie, or, The Orphan of a Wreck ( 1836 ).

He was bishop of the Episcopal Diocese of Maryland at Baltimore from 1830.

He was consecrated as bishop on October 21, 1830 in Baltimore.

During the next two years he was editor of The Itinerant in Baltimore, until his wife's death in December 1830.

The first Dutch language newspaper, De Zuid Afrikaan, was published in 1830, the first African language newspaper, Umshumayeli Wendaba, in 1837 and the first Afrikaans language newspaper, Die Afrikaanse Patriot, in 1876.

" By 1830, Smith reported that he had been instructed that God would use him to re-establish the true Christian church and that the Book of Mormon would be the means of establishing correct doctrine for the restored church.

By 1830 an estimated 150 settlers had arrived ; the United States census of 1840 reported 2, 364 people.

The first census, taken in 1830, reported 880 residents.

When it was first published in 1830 by Lars Johan Hierta, it was a tabloid that reported news and also criticised the new Swedish king Charles XIV John.

On November 27, 1830, Catherine reported that the Blessed Mother returned during evening meditations.

The date of the first exports is variously reported as 1828, " about 1830 " and 1852.

In 1830 Robinson investigated the Cape Grim massacre that had occurred in 1828 and reported that 30 Aborigines had been massacred.

Mount Asphyxia is believed to be active with fresh lava reported in 1830 and numerous indications of activity since.

The Commissioners of Sewers were unhappy with some of the work at Highbridge in 1830, and reported that the contractor " had run away ", and work had stopped in 1831.

Mount Asphyxia is believed to be active with fresh lava reported in 1830 and numerous indications of activity since.

The High Possil meteorite is one of only four ever to have been found in Scotland-the others being the Perth meteorite of 1830, and the Strathmore meteorite, which fell in Perthshire in 1917 of the 1, 998 fragments of a stony meteorite reported from a field near Glenrothes in Fife, although this is known to be an older fall, as they are very weathered.

A visitor in 1830 described Smith's coal mine as having a thick bed of coal, and found the mine "... extensively wrought, and the scene both without and within is exceedingly imposing.

But the desire for greater political freedom did not entirely fade away under the constitution of 1819, and after 1830 a certain amount of unrest occurred.

In February 1830, his house was burned down, but the greater part of his books and manuscripts were saved.

Rather unknown outside Britain in his times and largely considered to be imitator of greater romantic authors, Barry Cornwall however inspired Alexander Pushkin to some translations and imitations in 1830.

During the greater part of the reign of George IV the Whigs lost their influence in the state from their want of cohesion, but this defect was soon remedied in 1830 when Lord Althorp was chosen their leader in the lower house, and his capacity for the position was proved by experience.

He had the advantage of a settled home in which to collect and study rare and unusual books ; and he was able to supply a centre and rallying place to a knot of young literary men of greater individual talent than himself — the so-called Romanticists of 1830 — and to colour their tastes and work very decidedly with his own predilections.

Adrien-Marie Legendre proved in 1830 that any integer greater than 1791 can be expressed in this way.

After 1830, he contributed to different newspapers, Le Constitutionnel, Le National and the Courrier français until 1833, when he gave up politics in order to devote himself to the history of ancient philosophy, undertaking a translation of Aristotle, which occupied him the greater part of his life.

In the course of his research he travelled over Finland and the greater part of his own country ; and from 1828 to 1830 he undertook, in company with Georg Adolf Erman and with the co-operation of Russia, a government-funded mission to Western Siberia.

In 1830, the surveyor Joseph Bouchette noted that the produce from these gardens in the summer months was " excellent in quality, affording a profuse supply ... in as much, or even greater perfection than in many southern climes ".

The Liverpool and Manchester Railway of 1830 opened with purely steam locomotive haulage, and the need for greater co-ordination meant that the railway had to operate the trains.

The Franklin Institute, in 1830, offered a gold medal to the manufacturer of the greatest quantity of anthracite iron, and Nicholas Biddle and his associates offered a prize of $ 5, 000 to the first individual to smelt a certain quantity of iron ore within a given time, using anthracite.

Beginning about 1830, timber harvested from the region was floated on the Coal River to Saint Albans.

* 1830: The Little Schuylkill Navigation, Railroad and Coal Company was chartered on February 28, 1826.