By 1901, Peano was at the peak of his mathematical career.

By 1901, the San Joaquin Basin was the main oil-producing region of California, and it remains so in the 21st century, with huge oil fields including the Midway-Sunset, Kern River, and Belridge fields producing much of California's onshore oil.

By 1901 there were 600 subscribers, and the telephone system had been extended to Ramsey, Castletown, Peel, Port Erin, Port St. Mary and Onchan.

By 1901, ten-inch ( 25 cm ) records were marketed by Johnson and Berliner's Victor Talking Machine Company, and Berliner had sold his interests.

By 1914 40 % of Russian workers were employed in factories of + 1, 000 workers ( 32 % in 1901 ).

By 1901 he had begun to write about spiritual topics, initially in the form of discussions of historical figures such as the mystics of the Middle Ages.

By 1901 schools in the South and the North were well tended.

By January 1901 Pupin had been paid $ 200, 000 and by 1917, when the AT & T monopoly ended and payments ceased, he had received a total of $ 455, 000.

By March 1901, the company had a whole line of models ready for mass production.

In the R. F. Delderfield novel Long Summer Day ( the first of the A Horseman Riding By trilogy ), Boer War veteran Paul Craddock buys a farm in 1900 or 1901.

By 1901, this shipyard, Union Iron Works, was contracted out by John Philip Holland's ( Holland Torpedo Boat Company ) to build two Adder-class ( later A-class ) submarines.

By 1901, Linton had reached a population of 118 and within two years the population had jumped to 245 residents.

By 1901, the population was recorded as 10, 247.

By 1901 the figure had moved up to 14, 993, and by 1911 the figure had ballooned to 33, 612, aided by the nearby railway station in Palmers Green.

By 1901 Albert, Hillman and Wheatfield were added.

By 1901 it was in Clyde, which may have been the same location formerly known as Eden.

By 1901, at least 100 families were living in Brighton, which was along a dummy railroad line built in 1889 by the Bessemer & Birmingham Railroad Company to connect those two cities.

By 1901, good land was selling for $ 30 to $ 60 per acre.

By 1901, Lehigh was large enough to support a new First National Bank, with an initial capitalization of $ 25, 000.

By 1901, the excitement about Ohio oil slowed with the news of a Beaumont, Texas, gusher producing.

By September 25, 1901 the Rock Island Railroad expanded to Lawton and was soon joined by the Frisco Line.

By 1873, a coal breaker stood on the site, and in 1901, the D & H dismantled the breaker.

By 1901, Gordon had telephone service and the city got its own power plant in 1912.

By 1901, the D & RGW and its subsidiary, Utah Fuel Coal Company, acquired the operation.

By the early 1960s, most of East and Central Africa, where the majority of the Ismāʿīlī population on the continent resided including Tanganyika, Kenya, Uganda, Malagasy, Rwanda, Burundi and Zaire, had attained their political independence.

By 2001, the population had jumped to 206, 073, and it was 217, 988, in 48, 061 families, according to 2006 census.

By the 7th century BC, much of the Assyrian population used Akkadian influenced Eastern Aramaic and not Akkadian itself.

By the late 1960s, the area of LAFTA had a population of 220 million and produced about $ 90 billion of goods and services annually.

By making these data available to local public health officials in real time, most models of anthrax epidemics indicate that more than 80 % of an exposed population can receive antibiotic treatment before becoming symptomatic, and thus avoid the moderately high mortality of the disease.

By the 13th century, the city was an important port, with a mixed Basque and Gascon population.

By 1905, 62 % of the members were industrial workers ( 3 % of the population in 1897 ).

By 1973, the CPK were fighting battles against government forces with little or no North Vietnamese troop support, and they controlled nearly 60 % of Cambodia's territory and 25 % of its population.

By comparison, estimates of the population density per square kilometer of the Indian Ocean's other island microstates ranged from 241 ( Seychelles ) to 690 ( Maldives ) in 1993.

By 1340, Cairo had a population of close to half a million, making it the largest city west of China.

By the 1860s, there were around 5, 000 residents, and the population grew to around 10, 000 by the late 1880s.

By the 1860 census on the verge of the Civil War, 91. 7 percent of the black population, or nearly 20, 000 people, were free.

By the middle of the century, the population was bolstered by emigration from the Canary Islands, resettling the northern part of the colony and planting tobacco in the Cibao Valley, and importation of slaves was renewed.

By 2006, the percentage of foreign-born population had increased to just over 15 % in Dublin.

By the 3rd century, Caesarea had a population of about 100, 000.

By 1917 Finland had experienced rapid population growth, industrialization, improvements in the economy and standard of living, and the rise of a comprehensive labor movement ; economic, social, and political divisions were deepening while the Finnish political system was in an unstable phase of democratization and modernization.

By 1775, Washington had doubled the size of Mount Vernon to, and had increased its slave population to over 100.

By March 2006, at least 65 % of the Greek population was able to view Digital TV for free with the use of set-top boxes.

By 1939 the population had grown to over 120, 000.

By 1946, the major part of the population of these camps were cleared by NKVD and either sent home or conscripted ( see table for details ).

By mid-February to mid-March, the bulk of the population has arrived in the lagoons, filling them with nursing, calving and mating gray whales.

By New X-Men # 115, Genosha had a population of sixteen million mutants and a stable, advanced society.

By 1992 only 55 percent of the Honduran population continued to live in rural areas.

By the end of the 10th century, the Norse minority had merged with the Slavic population, which also absorbed Greek Christian influences in the course of the multiple campaigns to loot Tsargrad, or Constantinople.