Property:sortdate

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Description: Defines the date as a single number by which the item can be sorted automatically.
Type: Number


Format

  • Positive or negative decimal number in years.
  • Concerning sortdate values more accurate than years, the decimal positions are used in the format Y.MMDDhhmmss for convenience (i.e. 1990.0123 for 23 Jan 1990, not 1990 + 22÷365 = 1990.0603 vel sim.).
  • Negative values shall only occur as integer (i.e. without decimal positions), to avoid complications.
  • The value 0 is used for an unknown date.
  • Examples: -300 (for 300 BC), 1893 (for 1893), 1990.12312230 (for 31 Dec 1990, 10:30 p.m.), 0 (for unknown)

Guidelines

for determining the sortdate:

  • If absolute dates are known these are used
  • If approximate dates are known these are used, i.e. , e.g. "c. 250 BC" = -250 or "around the first quarter of the 1st century BC" = -75.
  • If periods of time are known the median point of time should be used, e.g. "4th century BC" = -350 or "125-40 BC" = -82.

Maps

Dating of archaeological objects:

Early and Middle Phases

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Marker 360.png earlier than 440 BC (40); Marker 030.png 440 to 376 BC (33); Marker 060.png 375 to 201 BC (39)

Late Phases

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Marker 090.png 200 to 101 BC (41); Marker 180.png 100 to 20 BC (180); Marker 240.png later than 20 BC (40); Marker 000.png undefined (65)

Please note that the value of the Property:sortdate is only the arithmetic mean of the object's dating. Absolute values used for archaeological periods are defined on Property:culture_archaeological.

Statistics

Objects

Number of pages in the Category:Object (371) per "sortdate" (value 0 omitted):

sortdate occurrence  
-720+
0 0.00 % show list
-670+
5 1.34 % show list
-620+
4 1.07 % show list
-570+
6 1.61 % show list
-520+
13 3.50 % show list
-470+
32 8.62 % show list
-420+
15 4.04 % show list
-370+
24 6.46 % show list
-320+
12 3.23 % show list
-270+
0 0.00 % show list
-220+
7 1.88 % show list
-170+
24 6.46 % show list
-120+
113 30.45 % show list
-70+
76 20.48 % show list
-20+
31 8.35 % show list
30+
8 2.15 % show list
80+
0 0.00 % show list
130+
0 0.00 % show list

Arithmetic mean: -174.469, Median: -100

Inscriptions

Number of pages in the Category:Inscription (408) per "sortdate" (value 0 omitted):

sortdate occurrence  
-720+
0 0.00 % show list
-670+
5 1.22 % show list
-620+
5 1.22 % show list
-570+
6 1.47 % show list
-520+
15 3.67 % show list
-470+
30 7.35 % show list
-420+
15 3.67 % show list
-370+
30 7.35 % show list
-320+
13 3.18 % show list
-270+
2 0.49 % show list
-220+
9 2.20 % show list
-170+
28 6.86 % show list
-120+
127 31.12 % show list
-70+
80 19.60 % show list
-20+
34 8.33 % show list
30+
8 1.96 % show list
80+
0 0.00 % show list
130+
0 0.00 % show list

Arithmetic mean: -173.135, Median: -100

References

Number of pages in the Category:Reference (1309) per "sortdate" (value 0 omitted):

sortdate occurrence  
1800+
0 0.00 % show list
1810+
0 0.00 % show list
1820+
4 0.30 % show list
1830+
2 0.15 % show list
1840+
3 0.22 % show list
1850+
5 0.38 % show list
1860+
19 1.45 % show list
1870+
21 1.60 % show list
1880+
18 1.37 % show list
1890+
18 1.37 % show list
1900+
20 1.52 % show list
1910+
24 1.83 % show list
1920+
18 1.37 % show list
1930+
22 1.68 % show list
1940+
17 1.29 % show list
1950+
38 2.90 % show list
1960+
62 4.73 % show list
1970+
109 8.32 % show list
1980+
185 14.13 % show list
1990+
229 17.49 % show list
2000+
248 18.94 % show list
2010+
206 15.73 % show list
2020+
41 3.13 % show list
2030+
0 0.00 % show list

Arithmetic mean: 1,980.002, Median: 1,994

Showing 500 pages using this property.
A
AE +
1,888  +
-100  +
-100  +
-100  +
-100  +
-100  +
-50  +
-50  +
-50  +
-625  +
1,896  +
2,003  +
1,989  +
1,973  +
1,972  +
1,989  +
1,880  +
2,007  +
1,936  +
1,985  +
1,986  +
1,990  +
1,991  +
1,992  +
1,994  +
1,995  +
1,996  +
1,999  +
2,000  +
2,000  +
2,001  +
2,001  +
2,003  +
2,007  +
2,017  +
2,002  +
B
-160  +
-350  +
-350  +
-50  +
0  +
-75  +
0  +
-350  +
-450  +
-450  +
-400  +
-400  +
-350  +
-350  +
-450  +
-450  +
-350  +
-350  +
-170  +
-170  +
-170  +
-450  +
-50  +
-50  +
-300  +
-100  +
-100  +
-162  +
-162  +
-5  +
-180  +
-180  +
-25  +
-70  +
-25  +
-25  +
-25  +
-25  +
-25  +
-10  +
-10  +
-10  +
-50  +
-50  +
-50  +
-50  +
-50  +
0  +
0  +
0  +
0  +
0  +
0  +
0  +
0  +
0  +
-300  +
-450  +
-400  +
-440  +
-50  +
-30  +
-50  +
-100  +
-350  +
-350  +
-350  +
-280  +
-280  +
-50  +
-50  +
-100  +
-100  +
-70  +
-70  +
-55  +
-70  +
-55  +
-70  +
-40  +
-80  +
-150  +
-50  +
-100  +
-100  +
-50  +
-50  +
-75  +
-100  +
-50  +
-100  +
-75  +
-75  +
-45  +
-75  +
-60  +
-275  +
-100  +
-25  +
0  +
0  +
1  +
1  +
-50  +
-375  +
-375  +
-300  +
-300  +
-75  +
-90  +
-100  +
1,991  +
1,992  +
2,016  +
1,977  +
2,003  +
2,017  +
1,976  +
2,020  +
1,877  +
1,878  +
1,878  +
1,879  +
1,918  +
1,911  +
1,931  +
1,939  +
1,988  +
2,011  +
2,010  +
1,996  +
1,989  +
1,981  +
1,931  +
1,940  +
1,946  +
1,949  +
1,953  +
1,956  +
2,001  +
1,849  +
1,851  +
1,967  +
1,970  +
1,971  +
1,999  +
2,005  +
1,905  +
1,879  +
1,954  +
1,979  +
1,994  +
1,996  +
1,998  +
2,000  +
1,906  +
1,979  +
1,994  +
1,938  +
C
1,989  +
1,888  +
1,867  +
1,878  +
1,945  +
-100  +
-426  +
-400  +
-400  +
-450  +
-350  +
-450  +
-450  +
0  +
0  +
0  +
-400  +
-400  +
-400  +
0  +
0  +
0  +
0  +
-450  +
-426  +
0  +
0  +
0  +
-426  +
0  +
-426  +
-400  +
0  +
0  +
0  +
0  +
0  +
0  +
0  +
0  +
0  +
0  +
0  +
0  +
0  +
0  +
0  +
0  +
-550  +
-500  +
-400  +
0  +
0  +
0  +
0  +
-440  +
-422  +
-400  +
-490  +
-490  +
-422  +
-422  +
-422  +
-440  +
-422  +
0  +
-100  +
-100  +
-50  +
-50  +
-75  +
-75  +
-50  +
-125  +
-125  +
0  +
0  +
-423  +