No, this isn’t about the causes of Brexit, I’m abbreviating the title of Large-scale migration into Britain during the Middle to Late Bronze Age by Nick Patterson, Michael Isakov, and a long list of coauthors ending with David Reich, published in Nature last month. At that link you can only get the abstract unless you’re a subscriber, so a more useful one is Juan Siliezar’s Harvard Gazette story about it:
New research reveals a major migration to the island of Great Britain 3,000 years ago and offers fresh insights into the languages spoken at the time, the ancestry of present-day England and Wales, and even ancient habits of dairy consumption. The findings are described in Nature by a team of more than 200 international researchers led by Harvard geneticists David Reich and Nick Patterson. Michael Isakov, a Harvard undergraduate who discovered the existence of the migration, is one of the co-first authors.
The analysis is one of two Reich-led studies of DNA data from ancient Britain that Nature published on December 22. Both highlight technological advances in large-scale genomics and open new windows into the lives of ancient people. […] The researchers analyzed the DNA of 793 newly reported individuals in the largest genome-wide study involving ancient humans. Their findings reveal a large-scale migration likely from somewhere in France to the southern part of Great Britain, or modern-day England and Wales, that eventually replaced about 50 percent of the ancestry of the island during the Late Bronze Age (1200 to 800 B.C.).
The study supports a recent theory that early Celtic languages came to Great Britain from France during the Late Bronze Age. It challenges two prominent theories: that the languages arrived hundreds of years later, in the Iron Age, or 1,500 years earlier at the dawn of the Bronze Age. Previous research has shown that large-scale movement often accompanied language changes in pre-state societies. The Reich team argues that this untold migration event makes more sense for the spread of early Celtic languages into Britain.
“By using genetic data to document times when there were large-scale movements of people into a region, we can identify plausible times for a language shift,” Reich said. “Known Celtic languages are too similar in their vocabularies to plausibly descend from a common ancestor 4,500 years ago, which is the time of the earlier pulse of large-scale migration, and very little migration occurred in the Iron Age. If you’re a serious scholar, the genetic data should make you adjust your beliefs: downweighting the scenario of early Celtic language coming in the Iron Age [and early Bronze Age] and upweighting the Late Bronze Age.”
There’s other interesting stuff (“the researchers found that the ability to digest cow’s milk dramatically increased in Britain from 1200 to 200 B.C., which is about a millennium earlier than it did in central Europe”), and I’m sure there are plenty of Hatters who will want to dig into it. Thanks, Bonnie!
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