What are the major events that happened in the precambrian era?

Answer 1

http://www.encyclopedia.com/topic/Precambrian_era.aspx

http://science.nationalgeographic.com/science/prehistoric-world/prehistoric-time-line/

Answer 2

thank you soooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
much

Answer 3

You are very welcome.

Answer 4

i-i dont actually know