28.868 Views
Between 1840 and 1914, an estimated 40 million people left Europe. This is one of the most significant migrations in human history. So, who was leaving Europe? And why?
First Air Date : Apr 12, 2019
Last Air date : Aug 28, 2020
Episode : 50 Episode
Season : 1 Season
Runtime: 48 minutes
Studio: YouTube
Country: United States of America
Cast: John Green
