By 1810 three-quarters of all blacks in Delaware were free.

By the early 18th century, other publishers began to issue collections of dances as well ; a conservative estimate of the number of dances in the English style published between 1651 and 1810 would run to around 20, 000.

By 1810 the town ’ s population reached approximately 700, with about 130 houses.

By Spring 1810, President Madison was specifically asking Congress for more appropriations to increase the Army and Navy in preparation for war with Britain.

By 1810, their new port was very successful ; the Lafittes pursued a successful smuggling operation and also started to engage in piracy.

By December 14, 1810 the county seat changed for the third time to Charlestown and it would remain there until 1873.

By 1810, Bowling Green had only 154 residents.

By 1810 Springfield was one of the areas of interest in the rebellion against Spain to produce the Republic of West Florida.

By 1810, the town had 1, 044 inhabitants, with two grain mills, five sawmills, a clothing mill and a distillery.

By 1810, there were about fifteen other families in the area, most of whom lived along Cattaraugus Creek, near Genesee and Savage Roads.

By 1810, matriculation had ceased, and the last students were awarded their degrees.

By 1814 several overland groups of the land components of the Astor Expedition of 1810 – 1812 would have passed by and explored the vicinity of the rapids.

By 1810, there were 34 houses in the village ; the census of 1820 notes an inn, a distillery, and the presence of one slave.

By 1810, the town had at least 25 homes, three stores, an apothecary ( pharmacy ), two taverns, and an academy ( school ).

By 1810 Maudslay was employing eighty workers and running out of room at his workshop, so he moved to larger premises in Westminster Road, Lambeth.

By 1810, his Boston-area business was booming, and, in later years, Bent sold his enterprise to the National Biscuit Company, which now does business under the Nabisco name.

By 1810 another crisis hit the fur industry, brought on by the over-harvesting of animals, the beaver in particular.

By 1810 Niebuhr was inspiring German patriotism in students at the University of Berlin by his analysis of Roman economics and government.

By 1810, Paris alone had 180 officially approved brothels.

By 1810 the Romanian share had fallen from 85 % to 75 % and in 1848 to only 55 %.

By the May Revolution of May 25, 1810, the first Argentine autonomous government, known as the Primera Junta, was formed in Buenos Aires.

By 1800 there were 200 horses in the colony which grew to 1100 by 1810.

By 1810, at age 15, he was writing for a local newspaper.

By 1810 the wind band had reached its current size, though the instrumentation differed in various countries.

By this time, portions of Ormsby County had been given over to neighboring counties, reducing the county to Carson City and a few outlying settlements.

By the 6th century the majority of the modern county was part of the East Saxon kingdom.

By 1211 the Livonian province of Metsepole ( now Limbaži district ) and mixed Livonian-Latgallian inhabited county of Idumea ( now Straupe ) was converted to the Roman Catholic faith.

By Eastern Han times, the central government monopolies were repealed in favor of production by commandery and county administrations, as well as private businessmen.

By opening the ports of the county to all nations, and proclaiming full freedom of trade ( 1626 ), the commerce of the city was given great stimulus, the noble families taking part in its mercantile enterprises.

By the 1890s the county contained the following burghs, which were largely outside the county council's jurisdiction:

By 1793, four towns had been added to the county by division of the existing towns:

By the 1860s the towns of Harmony, Knightsville, and Brazil were growing rapidly, due in part to their location along the National Road, and also because of the many coal companies in that section of the county.

By 1951, enrollment stood at 35, 000 and included teachers, county and city employees.

By a treaty with Louis IX of France, he wrested the county of Barcelona from nominal French suzerainty and integrated it into his crown.

By 2030, the county is expected to have a population of about 360, 000.

By 2008 the county population had grown 43 % to 137, 589.

By votes in the commission, the commissioners are given executive responsibilities for the various county departments, which fall under the categories of " Roads and Transportation ", " Community Development ", " Environmental Services ", " Health and Human Services ", " Technlogy and Land Development ", and " Finance and General Services ".

By 1852, regular rail transportation from Columbia to Baltimore, Philadelphia, Pittsburgh, and Harrisburg made the town the commercial center for the area halfway between the county seats of Lancaster and York.

By contrast, in other municipalities, the sheriff's office may be merged with most or all city-level police departments within a county to form a consolidated city-county or metropolitan police force responsible for general law enforcement anywhere in the county.

By the time of the American Revolution, it was the most populous county in Virginia.

By 2005 non-Hispanic whites were 84. 5 % of the population of the county.

By the late 1950s, although immune from annexation by the bigger cities, the most recent suit by the city of Norfolk against Norfolk County would have taken all of the county land adjoining South Norfolk.

By the time most indentured workers had earned freedom and some rose to common planter status, the wealthiest planter families in the county already controlled the valuable riverfront.

By the late 1950s a majority of those graduating from high school in the county were Mexican American.

By January 1, 1991, almost of oil had been taken from county lands since 1936.

By 1920 only eighty-one people lived in the county, and only twenty-seven farms remained.