AD
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AD or A.D. was the abbreviated form of Anno Domini. The AD epoch followed either year 0, or the year 1 BC and counted upward. In mathematical terms, it was the positive counterpart to the previous epoch, BC. Adric once referred to this dating method when he informed Tegan that the TARDIS had arrived in the year "2526 in the time scale you call Anno Domini." (TV: Earthshock)
The question of whether the year 0 existed was central to the dispute over whether the year 2000 was the last year of the second millennium or the first year of the third millennium. Different people, like the noted chronologist Professor Wagg (TV: Doctor Who) and even the Eighth Doctor himself (PROSE: The Novel of the Film) believed AD did start with year 0, because they thought 2000 was the start of the new millennium. The Sixth Doctor (PROSE: Millennial Rites) and Dave Young (PROSE: Escape Velocity) strongly felt otherwise.
Timeline
In general, most humans of the AD era used "BC" to indicate a BC year, but often failed to use "AD" to designate a year from their own epoch. Thus, to take an example, the year 1943 was most commonly understood to be 1943 AD. Decades and centuries were likewise assumed to be AD unless specifically denoted as BC.
Amongst the most significant AD centuries were:
- 1st century
- 2nd century
- 3rd century
- 4th century
- 5th century
- 6th century
- 7th century
- 8th century
- 9th century
- 10th century
- 11th century
- 12th century
- 13th century
- 14th century
- 15th century
- 16th century
- 17th century
- 18th century
- 19th century
- 20th century
- 21st century
- 22nd century
- 23rd century
- 24th century
- 25th century
- 26th century
- 27th century
- 28th century
- 29th century
- 30th century
- 31st century
- 32nd century
- 33rd century
- 34th century
- 35th century
- 36th century
- 37th century
- 38th century
- 39th century
- 40th century
- 41st century
- 42nd century
- 43rd century
- 44th century
- 45th century
- 46th century
- 47th century
- 48th century
- 49th century
- 50th century
- 51st century
- 52nd century
- 53rd century
- 54th century
- 55th century
- 56th century
- 57th century
- 58th century
- 59th century
- 60th century
- 61st century
- 62nd century
- 63rd century
- 64th century
- 66th century
- 67th century
- 68th century
- 71st century
- 73rd century
- 74th century
- 77th century
- 78th century
- 79th century
- 82nd century
- 87th century
- 90th century
- 91st century
- 95th century
- 100th century
- 101st century
- 102nd century
- 108th century
- 109th century
- 121st century
- 150th century
- 162nd century
- 171st century
- 208th century
- 220th century
- 347th century
- 367th century
- 372nd century
- 423rd century
- 453rd century
- 455th century
- 501st century
- 2000th century
- 2001st century
- 2501st century
- 100th century
- 101st century
- 102nd century
- 108th century
- 109th century
- 10th century
- 11th century
- 120th century
- 120th century
- 121st century
- 12th century
- 13th century
- 14th century
- 150th century
- 15th century
- 162nd century
- 16th century
- 171st century
- 17th century
- 18th century
- 19th century
- 1st century
- 2000th century
- 2001st century
- 2002th century
- 208th century
- 20th century
- 21st century
- 22nd century
- 23rd century
- 24th century
- 2501st century
- 25th century
- 26th century
- 27th century
- 28th century
- 29th century
- 2nd century
- 30th century
- 31st century
- 32nd century
- 33rd century
- 347th century
- 34th century
- 35th century
- 367th century
- 36th century
- 372nd century
- 37th century
- 38th century
- 392nd century
- 392nd century
- 39th century
- 3rd century
- 40th century
- 41st century
- 423rd century
- 42nd century
- 43rd century
- 44th century
- 450th century
- 450th century
- 453rd century
- 455th century
- 45th century
- 46th century
- 47th century
- 48th century
- 49th century
- 4th century
- 50th century
- 51st century
- 52nd century
- 53rd century
- 54th century
- 55th century
- 575th century
- 57th century
- 58th century
- 59th century
- 5th century
- 60th century
- 61st century
- 62nd century
- 63rd century
- 64th century
- 65th century
- 66th century
- 67th century
- 68th century
- 6th century
- 70th century
- 71st century
- 72nd century
- 73rd century
- 74th century
- 75th century
- 77th century
- 78th century
- 79th century
- 7th century
- 82nd century
- 85th century
- 85th century
- 87th century
- 89th century
- 8th century
- 901st century
- 90th century
- 91st century
- 92nd century
- 95th century
- 9th century
The more significant AD decades were:
- 1st century decades
- 2nd century decades
- 3rd century decades
- 4th century decades
- 5th century decades
- 6th century decades
- 7th century decades
- 8th century decades
- 9th century decades
- 10th century decades
- 11th century decades
- 1190s
- 12th century decades
- 1270s
- 13th century decades
- 14th century decades
- 140s
- 1500s
- 1550s
- 1580s
- 15th century decades
- 16th century decades
- 1600s
- 1630s
- 1640s
- 1650s
- 1680s
- 1690s
- 17th century decades
- 1700s
- 1710s
- 1720s
- 1730s
- 1740s
- 1750s
- 1760s
- 1770s
- 1780s
- 1790s
- 1800s
- 1810s
- 1820s
- 1830s
- 1840s
- 1850s
- 1860s
- 1870s
- 1880s
- 1890s
- 18th century decades
- 1900s
- 1910s
- 1920s
- 1930s
- 1940s
- 1950s
- 1960s
- 1970s
- 1980s
- 1990s
- 19th century decades
- 2000s
- 2010s
- 2020s
- 2030s
- 2040s
- 2050s
- 2060s
- 2070s
- 2080s
- 2090s
- 20th century decades
- 2100s
- 2110s
- 2120s
- 2130s
- 2140s
- 2150s
- 2160s
- 2170s
- 2180s
- 2190s
- 21st century decades
- 2200s
- 2210s
- 2220s
- 2230s
- 2240s
- 2250s
- 2260s
- 22nd century decades
- 23rd century decades
- 24th century decades
- 2400s
- 2410s
- 2430s
- 2590s
- 25th century decades
- 2600s
- 2640s
- 2690s
- 26th century decades
- 2720s
- 27th century decades
- 28th century decades
- 29th century decades
- 30th century decades
- 31st century decades
- 32nd century decades
- 3290s
- 33rd century decades
- 34th century decades
- 35th century decades
- 36th century decades
- 37th century decades
- 38th century decades
- 39th century decades
- 40th century decades
- 41st century decades
- 42nd century decades
- 43rd century decades
- 44th century decades
- 45th century decades
- 46th century decades
- 47th century decades
- 49th century decades
- 50th century decades
- 51st century decades
- 52nd century decades
- 5300s
- 5310s
- 5320s
- 53rd century decades
- 54th century decades
- 55th century decades
- 57th century decades
- 58th century decades
- 60th century decades
- 61st century decades
- 62nd century decades
- 63rd century decades
- 65th century decades
- 66th century decades
- 68th century decades
- 70th century decades
- 71st century decades
- 73rd century decades
- 74th century decades
- 75th century decades
- 77th century decades
- 78th century decades
- 79th century decades
- 82nd century decades
- 91st century decades
- 92nd century decades
- 100th century decades
Some of the more significant years were:
- DWU years
- Far future
- Years of birth and death
- Years of production
- Years of release
- +135
- 0
- 1st century years
- 2nd century years
- 3rd century years
- 4th century years
- 5th century years
- 6th century years
- 7th century years
- 8th century years
- 9th century years
- 1
- 10th century years
- 100
- 1000
- 10000000
- 1000000000
- 10000000000
- 100000000000000
- 100000000000000000000000000000000
- 1002
- 1003
- 1006
- 100th century years
- 1014
- 1016
- 102
- 1020
- 1039
- 104
- 1045
- 1050
- 1051
- 1055
- 1064
- 1066
- 1069
- 1070
- 1078
- 1087
- 1098
- 11th century years
- 111
- 1120
- 1138
- 1139
- 1140
- 1156
- 1157
- 1162
- 1179
- 118
- 1189
- 1190
- 1192
- 1193
- 1199
- 120
- 12000000
- 12002
- 12005
- 12023711
- 12023967
- 1206
- 1207
- 1208
- 1213
- 1215
- 1216
- 1227
- 1231
- 1240
- 1242
- 1252
- 1254
- 1271
- 1274
- 1277
- 1278
- 1283
- 1284
- 1287
- 1289
- 1294
- 1296
- 12th century years
- 1300
- 1310
- 1314
- 1320
- 1324
- 1336
- 1346
- 1348
- 1380
- 1386
- 1397
- 1399
- 13th century years
- 14
- 14th century years
- 1400
- 141
- 1410
- 1415
- 1419
- 1420
- 1430
- 1431
- 1446
- 1447
- 1450
- 1452
- 1453
- 1454
- 1457
- 1461
- 1462
- 1469
- 1471
- 1474
- 1478
- 1479
- 1481
- 1482
- 1483
- 1484
- 1485
- 1487
- 1489
- 1491
- 1492
- 1493
- 1494
- 1498
- 150
- 1500
- 1502
- 1503
- 1504
- 1505
- 1507
- 1509
- 1511
- 1512
- 1514
- 1516
- 1518
- 1519
- 1520
- 1522
- 1526
- 1533
- 1535
- 1536
- 1537
- 1538
- 1539
- 1540
- 1541
- 15414
- 1542
- 1543
- 1544
- 1547
- 1550
- 1553
- 1554
- 1555
- 1558
- 1559
- 1560
- 1561
- 1562
- 1563
- 1564
- 1564 (people)
- 1566
- 1567
- 1568
- 1571
- 1572
- 1574
- 1575
- 1578
- 1580
- 1582
- 1584
- 1585
- 1586
- 1587
- 1588
- 1589
- 1590
- 1591
- 1592
- 1593
- 1594
- 1596
- 1597
- 1598
- 1599
- 15th century years
- 1600
- 1601
- 1603
- 1604
- 1605
- 1606
- 1607
- 1608
- 16087
- 1609
- 1610
- 1611
- 16127
- 1613
- 1615
- 1616
- 1616 (people)
- 1618
- 1619
- 1621
- 1624
- 1625
- 1626
- 1628
- 1630
- 1637
- 1638
- 1639
- 1641
- 1642
- 1643
- 1644
- 1645
- 1646
- 1647
- 1648
- 1649
- 1651
- 1653
- 1654
- 1655
- 1657
- 1658
- 1660
- 1661
- 1663
- 1664
- 1665
- 1666
- 1667
- 1669
- 1671
- 1672
- 1673
- 1675
- 1677
- 1679
- 1681
- 1682
- 1684
- 1685
- 1687
- 1688
- 1689
- 16909
- 1691
- 1692
- 1693
- 1694
- 1695
- 1696
- 1699
- 16th century years
- 1700
- 1701
- 1702
- 1703
- 1704
- 1705
- 1706
- 1707
- 1710
- 1711
- 1712
- 1713
- 1714
- 1715
- 1720
- 1721
- 1722
- 1723
- 1724
- 1725
- 1727
- 1728
- 1729
- 1730
- 1731
- 1732
- 1733
- 1735
- 1738
- 1739
- 1740
- 1741
- 1742
- 1743
- 1744
- 1745
- 1746
- 1747
- 1749
- 1750
- 1751
- 1752
- 1753
- 1754
- 1755
- 1756
- 1758
- 1759
- 1760
- 1761
- 1762
- 1763
- 1764
- 1765
- 1768
- 1769
- 1770
- 1771
- 1772
- 1773
- 1774
- 1775
- 1776
- 1777
- 1778
- 1779
- 1780
- 1781
- 1782
- 1783
- 1785
- 1787
- 1788
- 1789
- 1790
- 1791
- 1792
- 1793
- 1794
- 1795
- 1796
- 1797
- 1798
- 1799
- 17th century years
- 1800
- 1801
- 1802
- 1804
- 1805
- 1806
- 1807
- 1808
- 1809
- 1810
- 1811
- 1812
- 1813
- 1814
- 1815
- 1816
- 1817
- 1818
- 1819
- 1820
- 1821
- 1822
- 1823
- 1824
- 1825
- 1826
- 1827
- 1828
- 1829
- 1830
- 1831
- 1832
- 1833
- 1834
- 1835
- 1837
- 1838
- 1839
- 1840
- 1841
- 1842
- 1843
- 1844
- 1845
- 1846
- 1847
- 1848
- 1848 (people)
- 1849
- 1850
- 1851
- 1852
- 1853
- 1854
- 1854 (people)
- 1855
- 1856
- 1857
- 1858
- 1859
- 1859 (people)
- 1860
- 1861
- 1862
- 1863
- 1864
- 1865
- 1866
- 1866 (people)
- 1867
- 1868
- 1869
- 1870
- 1871
- 1872
- 1873
- 1874
- 1875
- 1876
- 1877
- 1878
- 1879
- 1879 (people)
- 1880
- 1881
- 1882
- 1883
- 1884
- 1884 (people)
- 1885
- 1886
- 1887
- 1888
- 1889
- 1889 (people)
- 1890
- 1890 (people)
- 1891
- 1891 (people)
- 1892
- 1892 (people)
- 1893
- 1893 (people)
- 1894
- 1894 (people)
- 1895
- 1895 (people)
- 1896
- 1896 (people)
- 1897
- 1898
- 1898 (people)
- 1899
- 1899 (people)
- 18th century years
- 19
- 1900
- 1900 (people)
- 1901
- 1901 (people)
- 1902
- 1902 (people)
- 1903
- 1903 (people)
- 1904
- 1904 (people)
- 1905
- 1905 (people)
- 1906
- 1906 (people)
- 1907
- 1907 (people)
- 1908
- 1908 (people)
Behind the scenes
- An inherently Christian designation, AD is not generally used in calendars of the traditionally non-Christian world. Consequently, some people use BCE (meaning "Before Common Era") for BC and CE (meaning "Common Era") as a substitute for AD. These largely cosmetic replacements are thought to avoid religious offence. However, Doctor Who fiction has typically remained loyal to the BC/AD convention. Even as late as the RTD and Moffat eras, dialogue and on-screen graphics prefer the Christian convention. (TV: The Fires of Pompeii, The Pandorica Opens, A Good Man Goes to War, Robot of Sherwood)
- In the real world, there is no year zero, so therefore 1 BC is immediately followed by 1 AD. Doctor Who fiction, however, is unclear as to this point.
- On this wiki, templates and categories, both of which use, or are used in, mathematical formulae, assume the presence of a year zero, since the fiction of the DWU allows it. Hence, we deem that the year 2000 is in the 21st century.
