Historians estimate the Alþing to have been established from 800 to 900.

Historians estimate his estate was worth about $ 1 million in 1799 dollars, equivalent to about $ 18 million in 2009 purchasing power.

Historians Keith Hopkins and Mary Beard tentatively estimate a total of 400 arenas throughout the Roman Empire at its greatest extent, with a combined total of 8, 000 deaths per annum from all causes, including execution, combat and accident.

Historians estimate that fewer than one million immigrants — perhaps as few as 400, 000 — crossed the Atlantic during the 17th and 18th centuries.

Historians estimate that the reason for the rapid capitulation of Mieszko II was the bad internal situation in the country.

Historians estimate their total population may have been three to four times that number.

Historians estimate that, in the South in 1856, Fillmore retained 86 percent of the 1852 Whig voters.

Historians have used statistical techniques to estimate the party breakdown in Congress.

Historians estimate about 2, 000 Cheyenne died, one-half to two-thirds of their population.

Historians estimate that the Pequot suffered the loss of 80 % of their population.

Historians estimate that the Pequot suffered the loss of 80 % of their entire population.

Historians estimate the number of Norman settlers at around 8, 000, but Norman in this instance includes not just natives of Normandy, but settlers from other parts of France.

Historians estimate that fully two per cent of the Chinese community was deported between 1923 and 1932, largely under the provisions of the Opium and Narcotics Drugs Act ( ONDA ).

Historians estimate that Provençal troops killed hundreds to thousands of residents there and in the nearby 22-28 villages which they destroyed.

Historians estimate that in the 1560s, more than half of the nobility were Calvinist ( or Huguenot ), and 1, 200 – 1, 250 Calvinist churches had been established, by 1562 with the outbreak of war, there were 2 million Calvinists.

Historians estimate that 2, 000 Huguenots were killed in Paris and thousands more in the provinces ; in all, perhaps 10, 000 people were killed.

Historians once thought the Iroquois Confederacy started in the 16th century, but a more recent estimate dates the confederacy and its constitution to between 1090 and 1150 CE.

Historians estimate that Cleisthenes was born c. 570 BC.

Historians estimate that up to half of Hungary's two million population at that time were victims of the Mongol invasion of Europe.

Historians estimate he brought in several thousand Chinese from China and many more thousand from California.

Historians John Thornton and Linda Heywood of Boston University estimate that 90 percent of those shipped to the New World were enslaved by Africans and then sold to European traders.

Historians estimate the encampment had some 1, 200 warriors out of the total 4, 800 population.

Historians have struggled to document the number of victims: some sources report up to 1, 830 victims ; others estimate 955 people killed.

Historians estimate, that an average peasant's hut did not last over 10 years.

Following further research by the Association of Cricket Statisticians and Historians ( ACS ) in the 1970s and 1980s, an " amended " career record was published which reduced Grace's total of centuries to 124.

Historians think it unlikely that Akbar Khan wished for the total annihilation of the British force.

Historians like Serge Lancell have questioned the reliability of the figures for the number of troops he had when he left Hispania.

Historians have given a number of years for the establishment of the town since the 16th century.

Historians Paul Lauren, Gordon Craig, and Alexander George point out that the agreement suffered from a number of weaknesses.

Historians attribute Faribault's impressive growth during this period to a number of important milestones which were passed in 1855 and 1856, including the creation of roads connecting to other settlements and trading posts in Iowa and Minnesota Territory, the availability of mail service, and the construction of schools and churches.

Historians state that after Black opened his supply store in 1890 on Rock Creek, the number of settlers quickly grew and a community was formed called Banner.

Historians re-examined all aspects of the Famine experience ; from practical issues like the number of deaths and emigrants, to the long-term impact it had on society, sexual behaviour, land holdings, property rights and the entire Irish identity.

Historians, however, disagree about this number.

Historians have a number of opinions concerning why Ivan did this.

Historians have in turn made a number of proposals seeking to identify him with various would-be contemporary historical figures.

The company also takes part in a number of international book fairs, including London Art Book Fair, NY Art Book Fair, Association of Art Historians Annual Conference and Book Fair and PA / PER VIEW.

Historians put the number at between 3, 000 and 18, 000, with the most commonly used figure being 11, 000.

Historians credit them with a major role in the development of Greek mathematics ( particularly number theory and geometry ) into a coherent logical system based on clear definitions and proven theorems that was considered to be a subject worthy of study in its own right, without regard to the practical applications that had been the primary concern of the Egyptians and Babylonians.

Radical Historians Newsletter number 67.

Historians debate the actual number of people killed during the sack, but contemporary chroniclers asserted between 2000 and 6000 people were slaughtered in the streets.

Historians have not agreed on the number killed, but they often cite 150, mostly women and children, as the warriors had gone out on a hunt.

Historians rely on Roger's writings for a number of important details about Donnchadh's life: that Gille-Brighde handed Donnchadh over as a hostage to Henry II under the care of Hugh de Morwic, Sheriff of Cumberland ; that Donnchcadh married the daughter of Alan fitz Walter under protest from the Scottish king ; and that Donnchadh fought a battle in Ireland in 1197 assisting John de Courcy, Prince of Ulster.