Advanced help: Dates
Our online catalogue allows you to limit your search by date. You can specify:
- a single date, such as 1645
- a range of dates, such as 1939-1945
- a century, such as 17th century
- approximate dates, such as c.1835.
This table gives examples of how the dates can be searched.
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Search term entered in date field |
Calm will find the following dates and date ranges which include the date(s) |
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25 March (or Mar) 1878 |
25 March 1878, including date ranges which cover this date |
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1577 |
Any date in the year 1577, including date ranges which cover this date |
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1566-1576 |
Any date within any of the years 1566 to 1576 inclusive |
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May-Dec 1756 |
Any date between 1 May and 31 December 1756 |
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1- 2 May 1800 |
1 and 2 May 1800 only |
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1 Mar-10 Sept 1798 |
Any day between 1 March and 10 September 1798 |
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23 May 1700-Jun 1701 |
Dates between 23 May 1700 and (any day in) June 1701 |
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4 Apr 1935-1936 |
Dates between 4 April 1935 and (any date in) 1936 |
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1920s |
Dates within a given decade, e.g.1920 to 1929 |
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17th century |
The range of years 1600–1699 |
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Early 16th century |
1500-1539 |
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Mid 16th century |
1530-1569, i.e. overlapping the 'early' and 'late' ranges |
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Late 16th century |
1560-1599 |
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c or circa or about 1911 |
A range of 10 years either side of 1911 (ie. 1901-1921) |