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Figure 2.1 The computacion of the ages of the worlde published
in Cooper's Chronology in 1560. Courtesy of David Branagan, Sydney.
the month. The Commonwealth, which had replaced the abolished
monarchy, lasted eleven years and was a period of Puritanical rule
headed by the Lord Protector, Oliver Cromwell (1599-1658).
At about this time chronologies based on the sacred texts fre-
quently started to appear in print although earlier chronologies were
known, such as that published in Cooper's Chronology in 1560
(Figure
2.1
). Certainly the chronology published by Archbishop
James Ussher (1580-1656) (Figure
2.2
) is the best known. A search on
