Answer:
From Top to bottom:
1. 15000 BCE Chinese Civilization emerges on Yellow River
2. 551 BCE Confucious is Born
3. 259 BCE Emperor Qin Shi Huangdi becomes the first emperor
4. 220 BCE The Great Wall of China is Constructed
Step-by-step explanation:
These are all of the events that happened put in chronological order from latest to most recent.
I hope this helped!