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158 that an Author who hould write a Hitory, in which there were no Dates fix'd, and hould know that nine Kings had reign'd over a Nation; uch an Hitorian, would commit a great Error hould he allow three hundred Years to thee nine Monarchs. Every Generation takes about thirty ix Years; every Reign is, one with the other, about twenty. Thirty Kings of England have way'd the Scepter from William the Conqueror to George the Firt, the Years of whoe Reigns added together, amount to ix hundred and forty eight Years; which being divided equally among the thirty Kings, give to every one a Reign of twenty one Years and a half very near. Sixty three Kings of France have et upon the Throne; thee have, one with another, reign'd about twenty Years each. This is the uual Coure of Nature: The Ancients therefore were mitaken, when they uppos'd the Durations in general, of Reigns, to equal that of Generations. They therefore allow'd too great a Number of Years, and