During the 1840s Disraeli wrote three political novels collectively known as " the Trilogy "– Sybil, Coningsby, and Tancred.

During the 1840s, Lyell traveled to the United States and Canada, and wrote two popular travel-and-geology books: Travels in North America ( 1845 ) and A Second Visit to the United States ( 1849 ).

During the 1830s and 1840s, Mormonism gradually distinguished itself from traditional Protestantism.

During the late 1840s, when he was out of office, he worked extensively to turn Hawarden into a viable business.

During the fur trade of the early 1800s to the late 1840s in the Western United States, the word was spelled " niggur ", and is often recorded in literature of the time.

During the 1840s and 1850s it was the destination for those wanting to file land claims after traveling the Oregon Trail as the last stop on the trail.

During the 1840s, the house was a stop for weary stagecoach travelers.

During the 1840s, that era's penny press accorded Frémont the sobriquet The Pathfinder.

During the 1840s, the screw propeller emerged as the most likely method of steam propulsion, with both Britain and the USA launching screw-propelled warships in 1843.

During the early 1840s the first school ‑ related advertisements began to appear in the county newspapers.

During the economic hard times in the 1830s and 1840s, there was an exodus of population from South Mississippi, principally to Texas, and the slogan " GTT " (" Gone to Texas ") came into currency.

During the 1840s, Bond County played host to a few people conducting slaves to freedom on the Underground Railroad.

During the 1840s many of the streets laid out by the town fathers had yet to be opened to traffic.

During the 1830s and 1840s, Cumming benefited from the gold mining industry as many business were created to meet the needs of the miners.

During the late 1840s and early 1850s the town grew more rapidly.

During the 1840s, mining became a part of Neosho when lead was discovered.

During the 1840s Elisha Johnson, a former mayor of Rochester, New York, built the Tellico River Mansion on his plantation in Tellico Plains.

During the 1840s, men wore tight-fitting, calf length frock coats and a waistcoat or vest.

During the 1840s, as railways proved to be a cheaper and faster method of transporting goods, attempts were made to attract more trade by reducing tolls, but this had little effect and by 1868 all trade above Lewes had ceased, although boats continued working on the Lower Ouse to Lewes right up to the 1950s.

During the 1840s he began work on his most famous work, The History of England from the Accession of James the Second, publishing the first two volumes in 1848.

During the 1840s and 1850s, conflicts between the two sides became progressively more violent.

During the 1840s, many U. S. cities were in debt ; roughly by 1843 cities had about 25 million in outstanding debt.

During the 1840s, the felt hat industry went into depression ; the recession affected Denton, with wages in the area falling by 35 % and only 12 hat manufacturers remaining in Denton.

During the 1840s, he steadfastly opposed radicalism and secularism and placed a conservative emphasis on piety and ecclesiastical authority.

During the 1850s, new plantations were established around the house, and exotic conifers were planted in the grounds.

During the early 1850s, two German Egyptologists, Heinrich Brugsch and Max Uhlemann, produced revised Latin translations based on the demotic and hieroglyphic texts ; the first English translation, the work of three members of the Philomathean Society at the University of Pennsylvania, followed in 1858.

During the 1850s, American miners and settlers began moving into Chiricahua territory, beginning encroachment that has been renewed in the migration to the Southwest of the previous two decades.

During the 1850s, gold and silver were extracted in the valley.

During the early years of the 1850s Wagner produced some musical sketches for parts of the Ring and noted down various motifs that were to be used in the work.

During the 1850s, the British Government intended to remove the collection to London.

During the 1850s a number of artists found gainful employment as draftsmen attached to expeditions sent to map the Pacific coastline and the border between California and Mexico ( as well as plot practical railroad routes ); many of the drawings were reproduced as lithographs in the expedition reports.

During the 1850s Thompson and some of his fellow Whigs ( such as his friend Schuyler Colfax ) transferred allegiance to the American Party, better known as the Know Nothing Party.

During the 1850s, the British made an agreement with the Boer republics, recognising the independence of the ZAR in what is now the Transvaal.

During the 1850s lines along the Mobile and Ohio Railroad were constructed, making the county a major trading center.

During the 1850s, Bernardo Fernandez, a Portuguese immigrant, started a trading facility on the shores of San Pablo Bay and eventually built the historic Fernandez Mansion, which still stands today at the end of Tennent Avenue.

During the 1850s, numerous maple trees were planted along Indiana and Michigan avenues in La Porte by local resident Sebastian Lay.

During the late 1830s through the 1850s, much of South Bend's development centered on the industrial complex of factories located on the two races ( man-made canals along the St. Joseph River in South Bend ).

During the 1850s, Little Town was often referred to as " White Hair's Town ," in honor of a resident of the village named Iron Hawk.

During the railroad's construction in the 1850s, an offer was made to the towns of Columbus and Aberdeen to route the railroad through the towns, but both towns refused.

During the 1850s and 1860s, Sherman continued to develop and it participated in the regional politics.

During the Walker Indian War in the 1850s, citizens built a fort with walls two or three feet thick and six feet tall that occupied an area the size of sixteen city blocks.

During the 1850s, tensions were very high between the native populations and the new settlers claiming the land as their own.

During the 1850s, men started wearing shirts with high upstanding or turnover collars and four-in-hand neckties tied in a bow, or tied in a knot with the pointed ends sticking out like " wings ".

During trips to Paris in the early 1850s, Inness came under the influence of artists working in the Barbizon school of France.

During the Kashubian diaspora, many families from Kościerzyna such as the Pellowskis and the Eichmans emigrated to the area of Winona, Minnesota in the United States, beginning in the late 1850s

During the 1850s, a number of military posts were established at strategic points to provide protection along these arteries of emigration and commerce.