Around the turn from the 18th to the 19th century an increase of the number of Catholics was observed, because military personnel had been moved from West Prussia to the town.

Scholars of the 19th century tended to interpret these titles as the names of distinct works covering separate voyages ; for example, Smith's Dictionary of Greek and Roman Biography and Mythology hypothesizes a voyage to Britain and Thule written about in " Ocean " and another from Cadiz to the Don river, written about in " Sail Around.

Around the turn of the 19th to 20th century, the Slaby-Arco wireless system was developed by Adolf Slaby and Georg von Arco.

Around the late 18th century to early 19th century, on the Illinois side of the Ohio River, north of Cave-In-Rock, Jonathan Brown led a small gang of river pirates at Battery Rock.

Around the end of the 19th century, Strauss turned his attention to opera.

Around the late 19th and early 20th centuries, most towns, organizations, theaters, and even companies would have their own band.

Around the end of the 19th century, wealthy tourists from the eastern and midwestern United States began to buy land in the area.

Around 1910, two Santa Cruz real estate agents, the brothers Frank and David Wilson, purchased and subdivided several of the old 19th century wheat farms.

Around 1100, further confusion arose when Ratramnus ’ name was mistakenly copied in some works as Bertramus, a mistake which endured even into the 19th century.

Around the middle of the 19th century, Naomasa Nabeshima strove to set right the domain's financial affairs, reduce the number of government officials, and encourage local industry such as Arita porcelain, green tea, and coal.

Around the turn from the 19th to the 20th century, Scottish-American businessman Andrew Carnegie donated over $ 60 million, which was a vast fortune in 20th-century dollars, to build over 2, 811 free public library buildings in the United States.

Around the start of the 19th century Hahnemann developed a theory, propounded in his 1803 essay On the Effects of Coffee from Original Observations, that many diseases are caused by coffee.

Around the middle 19th century Japanese Chindonya started to be seen using their skills for advertising, and these street performers are still occasionally seen in Japan.

Around that time the new port of Diakofti, the site originally chosen by the island's British rulers in the 19th century, was constructed along with a modern wider road, aiming to support larger cargo and passenger vessels.

Around half of the city's housing had been built in the 19th century, and many units lacked proper sanitary facilities, were overcrowded, and in poor condition.

Around the end of the 19th century Nesebar was a small town of Greek fishermen and vinegrowers.

Around 30 such mills were built in Bradford on Avon alone and prospered further until the English woollen industry shifted its centre of power to Yorkshire in the late 19th century.

Around this time, Balzac began organizing his work into a sequence of novels that he eventually called La Comédie humaine, divided into sections representing various aspects of life in France during the early 19th century.

Around the recreation ground and in other parts of the village are many houses and cottages of varying sizes, constructed in Tudor Revival style, erected by Hannah de Rothschild in the 19th century.

Around the middle of the 19th century, the Addington Road was built by the province to encourage settlement in the northern sections of the county.

Around the turn of the 19th century, " Turkish " music was so popular that piano manufacturers made special pianos with a " Turkish stop ," also called the " military " or " Janissary " stop.

Around 1774, the Marquis of Pombal, prime-minister of King José I, took protective measures for the commercialisation of the wine of Carcavelos and established the Royal Factory of Wool in the village, which existed until the early 19th century.

Around the middle of the 18th century, it began to appear in military bands and orchestras, but was replaced in the 19th century by a fully keyed brass instrument, the ophicleide, and later on by valved bass brass instruments such as the euphonium and tuba.

Around the middle of the 19th century, iron strakes were replaced by a solid iron tyre custom made by a blacksmith, who first measured each wheel to ensure proper fit.

Around the 5th century, Indian clerks were already finding new ways of recording the contents of the Abacus.

Around 2000, an expedition led by the Japanese Daisuke Takahashi, searching for Selkirk's camp on the island ( juan fernandez ), found part of an early eighteenth ( or late seventeenth ) century nautical instrument that almost certainly belonged to Selkirk.

Around the end of the 1st century, the church's organization becomes clearer in historical documents.

Around the turn of the 4th century, as Memphis was continuing to decline in importance, the Romans established a fortress town along the east bank of the Nile.

Around the 12th century AD, the Sultanate of Ifat was established in Djibouti and northern Somalia, eastern Ethiopia with its capital at Zeila in northern Somalia.

Around AD 75, work on the civitas forum and basilica had commenced on the site of the former principia and by the late 2nd century the civitas walls had been completed.

Around the 8th century BC, a kingdom known as D ' mt was established in Eritrea and northern Ethiopia, with its capital at Yeha in northern Ethiopia.

Around the turn of the century, Munch worked to finish the " Frieze ".

Around the 9th century Frankish identity gradually changed from an ethnic identity to a national identity.

Around the late 14th century AD, European powdermakers first began adding liquid during grinding to improve mixing, reduce dust, and with it the risk of explosion.

Around the middle of the 14th century, the Black Death ravaged Germany and Europe ( from the Dance of Death by Michael Wolgemut ).

Around the transition from the 15th to the 16th century, Albrecht Dürer from Nuremberg established his reputation across Europe as painter, printmaker, mathematician, engraver, and theorist when he was still in his twenties and secured his reputation as one of the most important figures of the Northern Renaissance.

Around the turn of the century the Young Poland cultural movement, centered on Galicia and taking advantage of the conducive to liberal expression milieu there, was the source of Poland's finest artistic and literary productions.

Around the turn of the 20th century, techniques began to modernise, starting with the Irish-American Michael Sweeney's Eastern cut-off.

Around the 18th century, the modern state of Nepal was formed by Gurkha rulers.

Around the 9th century CE, the central Sudanic Empire of Kanem, with its capital at Njimi, was founded by the Kanuri-speaking nomads.

Around the 1st century CE there were several small Jewish sects: the Pharisees, Sadducees, Zealots, Essenes, and Christians.

Around the turn of the 20th century the development of higher education provided opportunities for women.

Around the turn of the century it began to be widely used in spark-gap transmitters and medical electrotherapy equipment.

Around the 12th century, the Franciscan, Carmelite, Dominican, Servite Order ( see Servants of Mary ) and Augustinian mendicant orders chose to live in city convents among the people instead of being secluded in monasteries.

Around the 14th century, the demand for weapons, armour, stirrups, and horseshoes greatly increased the demand for iron.

Around the beginning of the 20th century astronomers noticed a small apparent " variation of latitude ," as determined for a fixed point on Earth from the observation of stars.