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

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.

Historians have not determined the size of the force with any certainty, but Edward probably brought with him around 225 knights and all together less than 1000 men.

Historians regard the battle as one of the most important clashes in the Wars of the Roses, since it brought about a decisive turn in the fortunes of the two houses.

Historians no longer believe that the blacks brought the art of rice cultivation from Africa.

Historians identify several waves of migration to the United States: one from 1815 – 1860, in which some five million English, Irish, Germanic, Scandinavian, and others from northwestern Europe came to the United States ; one from 1865 – 1890, in which some 10 million immigrants, also mainly from northwestern Europe, settled, and a third from 1890 – 1914, in which 15 million immigrants, mainly from central, eastern, and southern Europe ( many Austrian, Hungarian, Turkish, Lithuanian, Russian, Jewish, Greek, Italian, and Romanian ) settled in the United States.

Historians have proposed several names for the Age before Superman, most commonly dubbing it the Platinum Age.

Historians differ about the rule of several kings and their respective times.

Historians have noted several lexical milestones relevant to pasta, none of which changes these basic characteristics.

Historians have identified this place as Saketa, a key Buddhist centre during the 5th century BCE ( it is a widely held belief that Buddha visited Ayodhya on several occasions ) which it remained till the 5th century CE.

Historians suggested that one robber, Cadet Guillot, took several jewels including the French Blue as well as the Côte-de-Bretagne Spinel and others to Le Havre and then to London, where the French Blue was cut into two pieces.

Historians still debate how effective the French Résistance was militarily, but for instance the neutralization of the Maquis du Vercors alone involved the commitment of over 10, 000 German troops within the theater, with several more thousands held in reserve, in a period when the Allied invasion was breaking out of Normandy and French Operation Jedburgh commandos were being dropped nearby to the south to prepare for the Allied landing in Provence.

Historians have advanced several theories in an effort to explain the Edsel's failure.

Historians say that King Sakthan Thampuran had invited several Syrian Christian families and Brahmins to settle in Thrissur city from their business centers in adjoining areas.

That same month she joined several other literary figures, including Dorothy Parker and Archibald MacLeish, in forming and funding a company, Contemporary Historians, Inc., to back a film project, The Spanish Earth, to demonstrate support for the anti-Franco forces in the Spanish Civil War.

Historians have suggested several possible explanations for the German Sonderweg of the 20th century: discreditation of democrats and liberals, their estrangement, and the unfulfilled desire for a nation-state, which had led to separation of the national question from the assertion of civic rights.

Historians have put forth several reasons for the lack of the regular use of a badge ; among them, some Rangers felt a shiny badge was a tempting target.

In the course of his career, he headed several professional organizations, including the Association of Historians and Geographers of Mali, the West African Association of Archaeologists, and the Union of West African Researchers.

Historians have used several sources to identify the origins of the early Pandyan dynasty with the pre-Christian Era and also to piece together the names of the Pandyan kings.

They are discovered by security from the Guild of Engineers, but the Historians help them escape after a vicious gunfight in which several historians and Katherine's pet wolf are killed.

Historians still debate over his potential authorship of several anonymous works ( primarily political brochures ).

Historians of the period, however, in general reject its thesis, pointing to several key errors and reliance on doubtful sources.

Historians divide the natives living in the Yuba area into several groups – the Konkow, Maidu, Nisenan and Miwok.

As part of their mission to " advance knowledge and understanding of the history of architecture, design, landscape, and urbanism worldwide ", they publish several works, most noticeably the Buildings of the United States series, as well as a newsletter and the Journal of the Society of Architectural Historians ().