// todo need optimize like in event.jsp. Add indexing or not indexing this page. 第二世距今5亿2100万年前 ~距今5亿900万年前 (jan 1, 520900000 BC – oct 18, 509000000 BC) (Timeline)

第二世距今5亿2100万年前 ~距今5亿900万年前 (jan 1, 520900000 BC – oct 18, 509000000 BC)

Added to timeline:

地球地质年代表

By徐康

8 Feb 2020

Date:

jan 1, 520900000 BC

oct 18, 509000000 BC

~ 5883516 years

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第二世 距今5亿2100万年前 ~距今5亿900万年前 (jan 1, 520900000 BC – oct 18, 509000000 BC)

Added to timeline:

地球地质年代表

Date:

第二世距今5亿2100万年前 ~距今5亿900万年前 (jan 1, 520900000 BC – oct 18, 509000000 BC)