Biber Glaciation (oct 6, 2500000 BC – oct 6, 2000000 BC)
Description:
 A glacial period is an interval of time (thousands of years) within an ice age that is marked by colder temperatures and glacier advances. 
Added to timeline:
Date:
oct 6, 2500000 BC
oct 6, 2000000 BC
 ~ 500332 years
Images:
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