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slash UK slash AI for people. Welcome to the History Extra podcast, fascinating historical conversations from the makers of BBC History Magazine.

Ever since the dawn of humanity, people have been on the move. Our ancestors' ability to travel across vast distances and adapt to different environments has been key to our species

survival. But why do we migrate? When did passports first come into existence? And what impact have

slavery, colonialism and war had on migration? In this Everything You Wanted to Know episode,

Ian Golden speaks to Danny Bird about this age-old phenomenon and how the modern world is dealing with it.

Ian, thank you very much for joining me today for this episode of everything you wanted to know.

Well, we'll be looking at the history of migration. How critical is migration being to the history of humanity?

Danny, it's a pleasure to be chatting to you about this.

Migration has been absolutely central.

We wouldn't exist as a species without migration.

We would have died out through famine, through disease, and it's the key to the success of homo sapiens.

So without migration, there would be no

homo sapiens and we certainly wouldn't be chatting to each other today. We people the planet

and then by interacting with different experiences accumulated over time in different places

in very different circumstances, we were able to swap technologies

...