Julian and Gregorian Calendars
"ber" = sometimes added to a number to indicate a month of the year. In 1752, two changes were made to the English Calendar. The first was from the Julian to the Gregorian Calendar. The second, of great significance to genealogists, was that the commencement of the year was changed from the old Julian reckoning of 25 March. Under the Julian reckoning, months were abbreviated thus:
7ber=September
8ber=October
9ber=November
10ber=December
https://www.familysearch.org/wiki/en/Abbreviations_Found_in_Genealo...
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