This is a genetic map of the British Isles, based on work by Professor Jim Wilson from the University of Edinburgh's Usher Institute and MRC Human Genetics Unit. Disclaimer: AAAS and EurekAlert!

By the 18th century, 45,000 Africans are transported annually on British ships. 1700s: Almost half of the slaves coming to North America arrive in Charleston. Many stay in South Carolina to work ...

Around 1750, the British mainland American colonies had a population of approximately 1.5 million. In addition to settlers from Great Britain, a steady stream of German immigrants began to arrive ...

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