Around 1830 though, the Hungarian János Bolyai and the Russian Nikolai Ivanovich Lobachevsky separately published treatises on a type of geometry that does not include the parallel postulate, called hyperbolic geometry.

Around 1830, the Hungarian mathematician János Bolyai and the Russian mathematician Nikolai Ivanovich Lobachevsky separately published treatises on hyperbolic geometry.

Around 1830 to 1832 Joseph Henry made a similar discovery, but did not publish his findings until later.

Around 1830 Faraday established that the reactions at each of the two electrode – electrolyte interfaces provide the " seat of emf " for the voltaic cell, that is, these reactions drive the current.

Around 1830 Abbé Michon became interested in handwriting analysis.

Around 1826, people slowly began settling on the island ; by 1830, approximately six families made up its entire population.

Around 1830, a town hall was built, and a notary public moved from nearby Oudega to Drachten.

Around 1830, dozens of windmills were erected throughout in the municipality.

Around 1670, the new French hautbois began replacing the shawm in military bands, concert music and opera ; by 1700, the shawm had all but disappeared from concert life, although as late as 1830 shawms could still be heard in German town bands performing their municipal functions ( Baines, 1991 ).

Around 1830 new civic and government buildings began to emerge in Lugano.

Around 1830, Planche was introduced by the famous writer Alfred de Vigny to François Buloz, director of the Revue des deux mondes, and contributed to this journal until 1840.

Around it is a walled graveyard, with a watchhouse built after a bodysnatching raid in 1830.

Around 1830, she was sent with her brother Daniel to live with their aunt in London.

Around 1825 both Lyell and Sedgwick had supported William Buckland's Catastrophism which postulated diluvialism to reconcile findings with the Biblical account of Noah's ark, but by 1830 evidence had shown them that the " diluvium " had come from a series of local processes.

Around 1830, small boys began to be dressed in sashed or belted tunics over trousers, a fashion which replaced the earlier skeleton suit.

Around 1830 ( though not all sources agree on the date ), he built the Benning Bridge as a toll bridge, one of the earliest crossings over the Anacostia River.

Around 1830, the Hudson's Bay Company ( HBC ), today popularly known simply as « The Bay », started the fur trade business in Nunavik by establishing their first post on the east shore of the Koksoak River, about 5 km downstream from the present-day settlement.

Around 1830, George Boole, the mathematician, taught at Waddington Academy Boarding School in the village, run by Robert Hall.

Around 1830, the Fulbe conquered the Mbum village of Delbé, which they renamed Ngaoundéré, after a nearby hill.

Around 1830 the discussion started for a renewed fortification of the Drøbak Narrows and the first stage was ready in 1848, the next in 1853.

Around 1836, Hamersley decided to emigrate to Western Australia, largely on the basis of optimistic letters received from his sister Frances, who had emigrated to Western Australia with her husband William Locke Brockman in 1830.

Around 1830, the auxiliary buildings of the Abbey, in particular those that bordered on the Freyung, were renovated and partially rebuilt by Joseph Kornhäusel.

Around 1830, the English scientist Michael Faraday found that diluted nitric acid would attack steel, but concentrated nitric acid would not.

Around the base of the pool of water are three concentric rings of raised grass conforming originally to a 3: 4: 5 ratio echoing the dimensions of the Red and Green Velvet Room within the Villa.

Around 1770 the Great North Road around Newark ( now the A1 ) was raised on a long series of arches to ensure it remained clear of the regular floods it experienced.

Around $ 130bn in funds was raised in the first half of 2012, down around a fifth on the first half of 2011.

Around this time, Kurds lived a partly sedentary life and raised sheep and cattle in the regions of Beth Begash and Beth Kartewaye above Arbil in Adiabene.

Around the same time the elder Edwards managed to free the gag and raised the alarm shouting, " Treason!

Around 1950, the Piteşti area accommodated Greek refugees who supported ELAS during the Civil War ( part of the buildings raised for this purpose were later used to house resettled peasants ).

Around this time the decision to raise a fifth division from fresh volunteers in Australia was also made and as a result the 3rd Division was officially raised on 2 February 1916.

Around 1918 He raised a volunteer revolutionary army that was aligned with a local Hunan warlord, and in 1920 He's personal army joined the National Revolutionary Army.

Around 1900 the first voices were raised for nationalization of the Limburg coal fields, in the context of the threat of war in the Balkans.

Around the same time it became known to the imperial government that Poltoratzky's English wife had never converted to the Russian Orthodox church, and furthermore, that their children were being raised in the Anglican church.

Around the relief image is the reigning Pope's Latin name in raised lettering.

Around her tomb are gathered the 12 apostles — some with their arms raised in awe ; others reaching to touch her discarded shroud.

Around 1599, it was expanded and raised to the level of an eyalet likely as a benefit to its first governor-general ( beylerbeyi ), the khan of Crimea.

Around 350 B. C., suffering from a shortage of grain and scarcity of funds, the rulers of the city passed a resolution calling on citizens who had stores of olive oil to lend to the city at interest.

Around 1860, certain funds bequeathed by Lady Sadleir to the University, having become useless for their original purpose, were employed to establish another professorship of pure mathematics, called the Sadleirian.

Around the year 1333 the French friar Roger Guerin succeeded in buying the Cenacle ( the room where the Last Supper took place ) on Mount Zion and some land to build a monastery nearby for the friars, using funds provided by the king and queen of Naples.

Around the same time, the technology to broadcast and receive colour television was being developed, and the BBC made funds available to begin filming in colour to allow filmmakers to experiment with the latest equipment in preparation for the switchover.

Around 1989-1990 promoters began hosting " open " meetings with significant prize funds ; the first of these being held at Ringwood Raceway and Arena Essex.

Around 5, 000 copies of this image were sold and the funds were used by the group to release their first record, a 7 ” vinyl single by Sykurmolarnir titled Einn Mol ' á Mann (“ One Cube per Person ”) which contained the Icelandic versions of " Birthday " and " Cat ", two songs that would appear later on their first album, Life's Too Good in 1987 through Elektra Records ; an album that served to boost the international acclaim of The Sugarcubes.

Around the same time, he also tried to get several projects off the ground such as the post-Holocaust novel After by Melvin Jules Bukiet with producer friend Julia Rosenberg as well as a proposed film based on Julian Barnes ' 1992 novel The Porcupine, but was unable to raise funds for either of them.