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Facts and Events
References
- ↑ The Gregorian calendar wasn't adopted by England and British North America until 1752. The new historical calendar recognized January 1 as the first day of the year, while the ecclesiastical calendar recognized March 25 as the first day. Thus, dates between those two days prior to the calendar change in 1752 were often written with both year numbers (i.e. 5 January 1712/13). This is referred to as double dating. [See: http://genealogy.about.com/library/lessons/blintro1e.htm]
In the Gregorian calendar William probably died in 1691. This would reconcile son Isaac's date of birth.
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