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						Begin Date (Dating)Definition:
	
	        This field contains the date on which work to create or manufacture the object was started.
 Observations:        N.B.: This field is used only when the begin date is known.This field is used in conjunction with the  End Date  field.If only one date is known, enter the information in the  End Date field and leave the  Begin Date  field blank.
	  ExampleRecord for a Peruvian metal plate from 200 AD |  | Object Name | plate | 
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 |  | Material | metal | 
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 |  | Culture | Peruvian | 
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 |  | Begin Date |  | 
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 |  | End Date | 0200 | 
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      If a range of dates is known, enter the oldest date in the  Begin Date field and the most recent date in the  End Date  field.
	  ExampleResearch showed that a pot may have been made between 850 and
725 B.C. |  | Object Name | pot | 
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 |  | Begin Date | -0850 | 
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 |  | End Date | -0725 | 
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 Entry rules:        Enter the begin date in the form YYYY (Y for "year").
        Example|  | Begin Date | 1025 | 
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      If the begin date has fewer than four digits, you may add zeros to simplify the production of lists.
      Example|  | Begin Date | 0050 | 
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   If the month and day on which production began are known, enter  the information in the form YYYY dash MM dash DD, in  numbers only (Y for "Year," M for "Month" and D for "Day").
  Example|  | Begin Date | 1951-12-22 | 
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Use the abbreviation "c" (for  circa) when the object may have been  produced within a period of five years before or five years after the  date indicated. Enter the date followed by a space and "c".
  Example|  | Begin Date | 1340 c | 
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Use the abbreviation "L" (for "later than") if the object could have  been produced no earlier than the date shown. Enter  the date followed by a space and "L".
  Example|  | Begin Date | 0200 L | 
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If you are unsure whether your information is correct, include a  space and a question mark after the date.
  Example|  | Begin Date | 0800 ? | 
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BC dates should be preceded by a minus sign "-".
  Example|  | Begin Date | -2500 | 
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To delimit a century or part of a century, you may use the  Begin Date  and  End Date  fields as follows:1
  Example 1
        An object produced in the 10th century
         |  | Begin Date | 0900 L | 
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 |  | End Date | 0999 P | 
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 Example 2
        An object produced in the early 10th century
         |  | Begin Date | 0900 L | 
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 |  | End Date | 0925 P | 
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 Example 3
        An object produced in the mid-10th century
         |  | Begin Date | 0925 L | 
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 |  | End Date | 0975 P | 
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 Example 4
        An object produced in the late 10th century
         |  | Begin Date | 0975 L | 
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 |  | End Date | 0999 P | 
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 Example 5
        An object produced in the 1530s
         |  | Begin Date | 1530 L | 
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 |  | End Date | 1539 P | 
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This field may not contain more than one entry.
   In 1992, this convention was based on the convention used at the Musée du Québec.
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