By 1920, Cambridge was one of the main industrial cities of New England, with nearly 120, 000 residents.

By 1920, it was 47. 946 ; by 1925 it was 63. 870 and in 1935 that had ballooned to 103. 030.

By June 1920, the Polish armies were past Vilnius, Minsk and ( allied with the Directorate of Ukraine ) reached Kiev, but then the massive Bolshevik counteroffensive moved the Poles out of most of Ukraine and on the northern front arrived at the outskirts of Warsaw.

By 1920, Harley-Davidson was the largest motorcycle manufacturer in the world.

By 1920, the dispute had escalated to the point that there was danger of war.

By November 1920 Theremin had given his first public concert with the instrument, now modified with a horizontal volume antenna replacing the earlier foot-operated volume control.

* By Nile and Tigris, a narrative of journeys in Egypt and Mesopotamia on behalf of the British museum between the years 1886 and 1913, by Sir E. A. Wallis Budge, 1920 ( a searchable facsimile at the University of Georgia Libraries ; DjVu & layered PDF format )

By the 1920 Treaty of Trianon, Hungary renounced in favour of Romania all the claims of the Austro-Hungarian Monarchy over Transylvania.

By mid-November, the White Armies almost simultaneously became exhausted, and, in January 1920, Budenny's First Cavalry Army entered Rostov-on-Don.

By 1920 the coffins were interred in a former Russian Mission in Beijing, now beneath a parking area.

By 1920, the Red Army, under its commander Trotsky, had largely defeated the royalist White Armies.

By 1918 it became part of the newly formed Kingdom of Serbs, Croats, and Slovenes, and remained so until 1941, apart from a brief period of six months in 1920 when Skopje was controlled by the Yugoslav Communist Party.

By 1920, Pan-Turkic Islamists had become a challenge to Chinese warlord Yang Zengxin ( 杨增新 ) who controlled Siankiang.

By 1920, a systematic program of extension work throughout northeast Iowa had begun, with Upper Iowa referred to as " a pioneer in the field.

By 1920, the University of Manitoba was the largest university in the Canadian Prairies and the fifth largest in Canada.

By 1920, chloroform was used in 80 to 95 % of all narcoses performed in the UK and German-speaking countries.

By 1920, a sharp turn was taken towards the New Objectivity outlook.

By 1920 Maori still owned five million acres by 1920 ; they leased three million acres and used one million acres for themselves.

By 1940, collège classique programs were gone and Loyola became a four-year university, although it never obtained its own charter, granting its degrees through Laval or, after 1920, the Université de Montréal.

By February 1920, Ponzi's total take was US $ 5, 000, ( approximately US $ 54, 000 in 2010 dollars ).

By May 1920, he had made $ 420, 000 ($ 4. 53 million in 2010 terms ).

By July 1920, he had made millions.

By 1920, the town had more than twenty-five homes, a two-room school, a town hall, and a general store.

By 1920, Oakland was the home of numerous manufacturing industries, including metals, canneries, bakeries, internal combustion engines, automobiles, and shipbuilding.

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 1901 the population of Emsworth was about 2, 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.