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 the total number who died due to Mao's persecution in all base areas to be approximately one hundred thousand.

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 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.

In 1 Samuel 9: 6-20, Samuel is seen as a local “ seer .” The Deuteronomistic Historians preserved this view of Samuel while contributing him as “ the first of prophets to articulate the failure of Israel to live up to its covenant with God .” For the Deuteronomistic Historians, Samuel was extension of Moses and continuing Moses ’ function as a prophet, judge, and a priest which made historical Samuel uncertain.

The German Dresden Historians ' Commission, in an official 2010 report published after five years of research concluded there were up to 25, 000 casualties, while right-wing groups continue to claim that up to 500, 000 people died.

Historians now agree that the letter had little impact on the Labour vote -- which held up.

Historians now agree that the letter had little impact on the Labour vote -- which held up.

Historians debate if Lincoln gave up on African American colonization at the end of 1863 or if he actually planned to continue this policy up until 1865.

Historians believe that the practice of wearing white surcoats was picked up from the Turks during the crusades, and their purpose was to reflect heat, thus protecting mail from direct sun, which heated the mail and the soldier inside.

Historians came up with different variations of the list, but always with 17 members.

Historians have usually discounted the importance of the Panopticon because although Bentham drew up the plan, very few were actually built. Foucault claimed that numerous historians had missed the point: the idea of the Panopticon became used in many different settings in diverse ways.

Historians agree the Copperheads ' goal of negotiating a peace and restoring the Union with slavery was naive and impractical, for the Confederates refused to consider giving up their independence.

Historians such as John Keegan have shown that when correctly prepared against ( such as by improvising fortifications ) and, especially, by standing firm in face of the onslaught, cavalry charges often failed against infantry, with horses refusing to gallop into the dense mass of enemies, or the charging unit itself breaking up.

Historians have estimated that Red Cloud's warriors numbered up to 4, 000 men.

Historians have long debated Bismarck's role in the events leading up to the Franco-Prussian War.

Historians have stated that Caesarius was caught up in its early stages and lacked historical “ hindsight and perspective ” to this era.

Historians estimated that they committed 150 murders in the weeks leading up to the 1876 election.

Historians do not know why these particular holes were constructed, nor do they know why they only reach part of the way up the cliff face.

Historians disagree as to the success of the Stone Fleet, since other channels of the Charleston Harbor remained open and the ships broke up in a year or two.

Historians have noted that Silver's account of his life experiences during the first half of the 18th century is at variance with the known history of the historical figures he mentions, and that Silver is either exaggerating the range and scope of his exploits for the benefit of Jim Hawkins or for potential pirates he is trying to recruit, or his memory is faulty.

Historians and liberation theologians cite the Appeal as an influential political and social document of the 19th century, even though Walker was largely ignored for his contribution to ending slavery in the United States before second half of the 20th century.

Historians note that during the second half of 1900, it became almost impossible to buy any green vegetables in town ; ten eggs would cost 30-50 kopecks ( and in winter, as much as a ruble ), while before it had been possible to buy ten eggs for 10-15 kopecks.

Historians believe that the terraces, which surrounded more than half of the arena's circumference, could accommodate as many as 17, 000 spectators.