Circa

Multi tool use
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Look up circa in Wiktionary, the free dictionary. |
For other uses, see Circa (disambiguation).
"Ca." and "Cca." redirect here. For other uses of "Ca", see CA. For other uses of "Cca", see CCA.
Circa (from Latin, meaning 'around, about') - frequently abbreviated c., ca., or ca (and less frequently circ. or cca.) – signifies "approximately" in several European languages (and as a loanword in English), usually in reference to a date.[1]Circa is widely used in historical writing when the dates of events are not accurately known.
When used in date ranges, circa is applied before each approximate date, while dates without circa immediately preceding them are generally assumed to be known with certainty.
Example: George Washington years are:
- 1732–1799 or 1732–99: Both years are known precisely.
- c. 1732 – 1799: Only the end year is known accurately; the start year is approximate.
- 1732 – c. 1799: Only the start year is known accurately; the end year is approximate.
- c. 1732 – c. 1799: Both years are approximate.
See also
References
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External links
The dictionary definition of circa at Wiktionary
Media related to Circa at Wikimedia Commons
Chronology
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Hindu units of time (Yuga)
Mesoamerican
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Regnal year |
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Era names |
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Calendars |
Pre-Julian / Julian |
- Pre-Julian Roman
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Gregorian |
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Astronomical |
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Others |
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- Hebrew
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Mesoamerican
Winter count (Plains Indians)
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Astronomic time |
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Geologic time |
Concepts |
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Standards |
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Methods |
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Chronological dating |
Absolute dating |
- Amino acid racemisation
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Radiometric dating
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Relative dating |
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Genetic methods |
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Linguistic methods |
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Related topics |
- Chronicle
- New Chronology
- Periodization
- Synchronoptic view
- Timeline
- Year zero
- Circa
- Floruit
- Terminus post quem
- ASPRO chronology
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Portal
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