What is the historical timeline of senior one and senior two?

The historical timeline from Grade One to Grade Three is as follows:

1, primitive society (about 1.7 million years ago to about 2 1 century BC).

2. Slave society (2070-476 BC).

3. Warring States Period (475 BC to 22 BC1year).

4. Qin dynasty (22 BC1year to 206 BC).

5. Western Han Dynasty (202 BC-8 AD).

6. Eastern Han Dynasty (25-220).

7. Three Kingdoms (220-280).

8. Western Jin Dynasty (AD 265-3 16).

9. Eastern Jin Dynasty (3 17 to 420).

10, Southern and Northern Dynasties (420 ~ 589).

1 1, Sui (58 1 to 6 18).

12, Tang (6 18 to 907)

13, Five Dynasties (907-960).

14, Northern Song Dynasty (960 to 1 127).

15, Southern Song Dynasty (1 127 to 1276).

16, yuan (127 1 to 1368).

17, Ming (1368 to 1644).

18, Qing (1636 to 19 1 1 year).

Republic of China 19( 19 12 turn 1949).