Subject (Era)
- 1900-19995
- Period of civil wars, 1480-16035
- 15th century4
- 1783-18654
- Henry IV, 1399-14134
- James I, 1603-16254
- Medieval period, 1066-14854
- Restoration, 1853-18704
- Song dynasty, 960-12794
- To 70 A.D.4
- 1600-18683
- 1789-17933
- 1861-18653
- 1945-3
- Civil War, 1642-16493
- Commonwealth and Protectorate, 1649-16603
- Han dynasty, 202 B.C.-220 A.D.3
- To 18683
- To 9873
- 1644-19122